I haven't had results the last number of times I tried. I uninstalled and reinstalled and still get no results...
AHA!
I just went here and followed the first step of instructions...
http://www.gnutellaforums.com/263723-post2.html
"Go to your connections Tab in limewire, if it's not showing up go to Veiw > Show/Hide and make sure the connection tab has a tick next to it...
Then click on the Hosts and remove them and let Limewire search for some more..."
It worked immediately!