u have something which is called tracker. tracker finds servers on hotline. here is what u need to do.
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in box add tracker wright some of these trackers and then save it: -
revolution.frenzy.ca
sunwave.tracker.com
they will appear in the main window. open them and they will start to track servers. if u enter the keyword, industrial for example, in search, it will show u the servers which contain word industrial in it`s description(don`t press enter).
read the description next to each server, there u will find often login (l) and pass (p) l/p. it`s also contained in the agreement.