(Don't know where to post that, so I post it here. Feel free to move it where appropriate.)
Now somebody might feel tempted to tell me there already is such a thing, on the top right corner of the page; Unfortunately it's a fake.
Whatever I ever entered there, the answer has always been a categorical "The words in your search query were ignored because they are too common words". Really?
Well, I'm terribly sorry, I'm searching about Mint- or generally Linux-related features. I sure hope people on those forums were talking about them.