To remove pages from Google search results, you have a few reliable options....

https://www.scribd.com/document/1016382702/Why-Did-My-Removed-Page-Come-Back-After-a-Search-Console-Removal-212072

To remove pages from Google search results, you have a few reliable options. Add a "noindex" tag to the page header to tell search engines to drop it from their index. If you need a page gone immediately, use the Google Search Console Removals tool