I know this question has been ask alots , but i cant find the answer that can fix my problem, so here we are.

At first,i enter something into the search text, for example, i enter an "S" word. Then i push enter.
So now you can see, it return a blank page.

I'm already turn the developer mode on, and ini_set('display_errors', 1);in C:\xampp\htdocs\magento\app\bootstrap.php and reindex use command and admin page, setup:upgrade, di:compile, deploy.
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EDIT:
After i rollback the db and run setup:upgrade, now it appear this, but still not correct

C:\xampp\htdocs\magento\var\log\system.log:
[2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Analytics::bi_essentials was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Marketplace::partners was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_SalesRule::promo_quote was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Reports::report was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Reports::report_marketing was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Reports::report_salesroot was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Reports::report_salesroot_sales was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Reports::report_salesroot_tax was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Reports::report_salesroot_invoiced was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Reports::report_salesroot_shipping was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Reports::report_salesroot_refunded was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Reports::report_salesroot_coupons was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Reports::report_shopcart_product was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Reports::report_shopcart_abandoned was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Reports::report_products was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Reports::report_products_bestsellers was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Reports::report_products_sold was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Reports::report_products_viewed was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Reports::report_products_lowstock was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Reports::report_customers was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Reports::report_customers_accounts was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Reports::report_customers_totals was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Reports::report_customers_orders was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Reports::report_statistics was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Reports::report_statistics_refresh was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Search::report_search_term was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Review::catalog_reviews_ratings_ratings was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Review::catalog_reviews_ratings_reviews_all was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Review::report_review was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Review::report_review_customer was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Review::report_review_product was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Sitemap::catalog_sitemap was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_TaxImportExport::system_convert_tax was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Magento_Variable::system_variable was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Dotdigitalgroup_Email::marketing_automation was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Dotdigitalgroup_Email::automation_studio was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Dotdigitalgroup_Email::exclusion_rules was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Dotdigitalgroup_Email::marketing_automation_report was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Dotdigitalgroup_Email::importer was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Dotdigitalgroup_Email::automation was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Dotdigitalgroup_Email::campaign was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Dotdigitalgroup_Email::cron was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Dotdigitalgroup_Email::dashboards was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Dotdigitalgroup_Email::logviewer was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Dotdigitalgroup_Email::abandoned was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Shopial_Facebook::marketing_social was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Shopial_Facebook::shopial_facebook was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Temando_Shipping::shipping was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Temando_Shipping::carriers was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Temando_Shipping::locations was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Temando_Shipping::packaging was processed [] [] [2018-07-24 08:10:40] main.INFO: Add of item with id Temando_Shipping::dispatches was processed [] [] [2018-07-24 08:10:50] main.INFO: Broken reference: the 'product.tooltip' element cannot be added as child to 'content', because the latter doesn't exist [] [] [2018-07-24 08:10:50] main.INFO: Broken reference: the 'search.result' element cannot be added as child to 'content', because the latter doesn't exist [] [] [2018-07-24 08:10:50] main.INFO: Broken reference: the 'search.search_terms_log' element cannot be added as child to 'content', because the latter doesn't exist [] [] [2018-07-24 08:10:58] main.INFO: Broken reference: the 'catalog.compare.sidebar' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] [] [2018-07-24 08:10:58] main.INFO: Broken reference: the 'sale.reorder.sidebar' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] [] [2018-07-24 08:10:58] main.INFO: Broken reference: the 'wishlist_sidebar' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] [] [2018-07-24 08:10:58] main.INFO: Broken reference: the 'paypal.partner.right.logo' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] [] [2018-07-24 08:10:58] main.INFO: Broken reference: the 'bml.right.logo' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] [] [2018-07-24 08:11:31] main.INFO: Broken reference: the 'product.tooltip' element cannot be added as child to 'content', because the latter doesn't exist [] [] [2018-07-24 08:11:31] main.INFO: Broken reference: the 'search.result' element cannot be added as child to 'content', because the latter doesn't exist [] [] [2018-07-24 08:11:31] main.INFO: Broken reference: the 'search.search_terms_log' element cannot be added as child to 'content', because the latter doesn't exist [] [] [2018-07-24 08:13:35] main.INFO: Broken reference: the 'catalog.compare.sidebar' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] [] [2018-07-24 08:13:35] main.INFO: Broken reference: the 'sale.reorder.sidebar' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] [] [2018-07-24 08:13:35] main.INFO: Broken reference: the 'wishlist_sidebar' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] [] [2018-07-24 08:13:35] main.INFO: Broken reference: the 'paypal.partner.right.logo' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] [] [2018-07-24 08:13:35] main.INFO: Broken reference: the 'bml.right.logo' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] [] [2018-07-24 08:14:21] main.INFO: Broken reference: the 'catalog.compare.sidebar' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] [] [2018-07-24 08:14:21] main.INFO: Broken reference: the 'sale.reorder.sidebar' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] [] [2018-07-24 08:14:21] main.INFO: Broken reference: the 'wishlist_sidebar' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] [] [2018-07-24 08:14:21] main.INFO: Broken reference: the 'paypal.partner.right.logo' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] [] [2018-07-24 08:14:21] main.INFO: Broken reference: the 'bml.right.logo' element cannot be added as child to 'sidebar.additional', because the latter doesn't exist [] []
127.0.0.1.