Perhaps you should try some spelling variations:
wang yang » wang liang, wang yanling
han china » hang china, than china, can china
china tan » china top, china two, china taiwan
dia kongo » das kongo, dr kongo
kongo sar » kong sar
tan yang » dan yang, tan ying, tan yong
yang dia » yang di, yang dean, yang xi

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: ((wang yang) OR (wang yan)) han china tan yang dia kongo sar ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang yang) or (wang yan)) han china tan yang dia kongo sar ;*.