Use following keywords in google to see all rapidshare folders available on internet

site:rapidshare.com inurl:users "*"

site:rapidshare.de inurl:users "*"

site:rapidshare.com inurl:files "*"

site:rapidshare.de inurl:files "*"

site:rapidshare.com inurl:users (pass|password)

site:rapidshare.de inurl:users (pass|password)

(where * is the file name you want to search on rapidshare)

Suppose you need some info on vista .Then you can try following keywords to see all rapidshare folders having any vista related thing in it.

site:rapidshare.com inurl:users "vista"

site:rapidshare.com inurl:users "windows vista"