I would really read up on Gnutella. There are no servers. Gnutella is a completely decentralized network. The people using Limewire and other apps that connect to the network become the servers.

I too think that Limewire brings up more searchresults. I have tried Shareaza and Phex as well. By this I don't mean the 20000 bogus results that show up when searching (e.g. The title of a new movie)

Could this have something maybe to do with having enabled OOB searching in the options, which BTW I find very useful. Even if no host has the whole file close enough for me to download, several might be downloading it as we speak and I get the download from them while waiting for them to get the full file. Off course a question of trial and error. Some I never get more than maybe 50%, but still...