If you need to scrub old search results, your first step is checking site...

https://elliottkykp923.yousher.com/my-404-page-says-not-found-but-google-won-t-drop-it-what-am-i-missing

If you need to scrub old search results, your first step is checking site ownership. If you control the page, update or delete it, then use the "Refresh Outdated Content" tool to signal Google