Perhaps you should try some spelling variations:
wuhan china » tuan china, yunnan china
than china » tuan china, han china, can china
long tail » long haul
der klang » der klange, den klang, des klangs
die toten » die goten, die token, die totung
die tone » die token, die tage, die tanf
shui » shi, hui, shu

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: long tail ((than china) OR (wuhan china)) der klang ((die tone) OR (die toten)) shui ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "long tail ((than china) or (wuhan china)) der klang ((die tone) OR (die toten)) shui ;~".
• Adding a wildcard symbol may retrieve word variants: long tail ((than china) or (wuhan china)) der klang ((die tone) OR (die toten)) shui ;*.