Well, I don't know if this is a clue or not but I just added:
http://www.maphilo.com/managis/
to my own site's search engine, and tested out the search for the word "coach."
Except for a really weird display of the first page results - and I have no idea what is causing it - the results themselves are displaying as you would expect. Check it out
here to see what I'm talking about.
This makes me wonder what your phpdig template looks like. Maybe you have something there which is causing your problem?