Time to drop some links again.
– https://search.marginalia.nu/
Search engine that focuses on non-commercial content, and promotes websites that aren’t usually at the top of the list.
– https://www.worldcat.org/
Search engine for items in libraries (books, but also maps, articles, sound recordings, theses, etc.)
– https://scholar.google.com/
Search engine for scientific papers, reviews, etc. It’s still google, but a lot better than the normal search engine counterpart.
– https://tineye.com/
Reverse image search alternative to Google’s.
Also, P.S.: Please stop using Google, and start using more privacy focused search engines, like DuckDuckGo or SearchX (opensource; personally haven’t used it yet, but it looks promising for privacy-focused users)