Google-Fu == working around machine learning limitations which is the point of this post.

> Learn you some Google-foo.

That is, learn to structure your query in a way that Google understands what you're trying to say. This used to be what yuo had to do, but now that Google tries to understand the intent of what you're trying to say and advertises as such, it's clearly a hack.

But that would exclude polka dots and floral patterns..?

That’s obviously not the point here.