I do, in so far as it usually reveals where Phind failed for me. Ie "Why does it think that method should exist? Oh, this search result has an unrelated library using that method - and it got confused" sort of thing.

Off the top of my head i think if the link is correct, Phind is correct.

It's a tough problem though. I suspect the difficulty lies in a lot of search results not containing the appropriate versions/etc at all. So you have to go to secondary/etc steps of looking up library APIs and knowing that the two are incompat.