I have noticed Google is not finding anymore articels that contain "w" from Wikipedia NL
I think the Esperanto and German Wikipedia have the same problem. The French, Polish and English seems to have no problem.
http://nl.wikipedia.org/wiki/Woestijnvis
http://www.google.com/search?hl=en&lr=&ie=UTF-8&oe=UTF-8&q=w...
http://nl.wikipedia.org/wiki/Charles_Darwin
http://www.google.com/search?hl=en&lr=&ie=UTF-8&oe=UTF-8&q=C...
Giskart