Indeed. When you searched, you used the japanese kanji for the search, yes? I notice that gets some of the more interesting results on most unicode based search engines. Of course, using the shortened version, RosaVam (ロザバン), also yields interesting and valid results.
EDIT: And speaking of interesting images, I found a second version of Ruby's cover volume art.
This photo (if it shows), is her alternate cover where instead of looking so confident holding her magic book open in her hand, it has her holding that shocker chain instead.
The original image reference of interest:
EDIT 2:
And just for you
not work safe gamers out there, a doujin game where Moka and Kurumu make an appearance. The game is called J-Girl.Fight 2.