Um--a word, just in case there are some people who haven't realized this: the Search in this line About Us | What's New | Search | Site Map | Contact Us is for the Word A Day section.
The Search in this line
Control Panel · My Home · Main Index · Search · Active Topics is for AWADtalk.
When you use the second one, you should get either that nothing was found, or a list of posts that contain that word or phrase. I've never gotten anything else. I will say that I have never checked the Show a preview of post body with results. option--perhaps that would help?
I've not done very many searches on the new board, but one problem (for me, anyway) on the old board was that I'd get too many results; that is, say I searched for the word air--I would get every post that had the words pair, fairer, etc. Don't know if it's like that here or not, but if it is, it might be worth trying a trick a friend told me about: leave a space, then type your word, then put another space.