Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, peng liang
yang yang » wang yang, wang yan
china das » chinas das, china des, china data
das ganze » des ganzen, die ganze
longer do » longer _, longer a, long do
ganze 3 » ganze i, ganzen 13, ganze im
long du » long do, long run, long did
long d » long do, long _, long 2

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: ((yang liang) OR (yang yang)) can china das ganze 3 ((((long d) OR (longer do))) OR (long du)) ;~.
• Adding a wildcard symbol may retrieve word variants: ((yang liang) or (yang yang)) can china das ganze 3 ((((long d) or (longer do))) or (long du)) ;*.