Exclude Specific Pages From Search
Hides chosen posts or pages (thank-you pages, landing pages, legal pages) from front-end search results.
Snippet Library
Search snippets for WordPress
Snippets that improve WordPress search: search custom fields and post types, exclude pages, redirect single results and highlight matching words. For content-heavy sites where visitors need to find things quickly.
Exclude a Category From Search Results
Keeps posts from the categories you choose, such as internal updates or sponsored posts, out of the site search results.