Interesting. "Samuru" brought it right up, but putting it in context "Samuru search engine" brought up tangential, secondary information, i.e., stories about samuru.
Did you try http://www.google.com/search?q=samuru ?
16 hours makes quite a difference, evidently ...
Now Google's entire first page is results about the Samuru search engine, starting with a press release by Stremor announcing their new search engine and touting its use of "language heuristics".
samuru search engine
The "samuru.com" did not come up on first five pages. Then it starts suggesting samurai.
Contrary, searching
duck duck go search engine
has the https://duckduckgo.com/ as the first result.