Hung Trang Si

Plugin help hide all posts in one or more category on your homepage.
Go to “Settings » Reading”to choose the category need to hide

Simple Exclude Categories

Hide posts in categories on WordPress Homepage

Sirius Pro

Simply Exclude Pages from WordPress search results and display only post in search results. This plugin allows you to exclude WordPress websites from search results without modifying the code and it works with most of the available themes. Just install and activate this plugin to exclude pages from search results in WordPress.
Read more about this plugin on <a href="https://siriuspro.pl" rel="nofollow ugc">WordPress</a> blog.

Exclude Pages from Search Results

Simply Exclude Pages from WordPress search results and display only post in search results.

Simple Exclude Categories vs Exclude Pages from Search Results