Well whether you add “site:.edu” or not, Google still does the thing where they just spit out a pile of extra “matches” that don’t contain your search phrase AT ALL . Just thrown into the list, as if they have any business being there (oh wait, they do have business: Google’s business). Frankly, if it’s not reliable as a tool, it has no real value and I can’t believe it has come to this. Imagine if every time you ran…
There used to be a 'verbatim' mode that would do exactly that. The quotes symbol were also a way to enforce verbatim mode.
Sadly this behaviour of "let me assume what you want" is not exclusive of google as I also now experience this on ddg.