Sometimes I will use Google, my search phrase and TVWBB.
That will work almost every time if I craft my search word/phrase correctly.
For difficult searches where my search word/phrase is weak, I'll do a Google Image search.
That can be a great way to search.
The vBulletin search engine is not that great, so I do many Google searches like this:
What's cool about that article I linked to is you can form some pretty complicated search queries (and save them) to find articles by username, whether the user started a post or replied to a post, by date, by forum, etc.