Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
yang jie » yang jin, yang di, yang jui
wong siu » wong shiu, kong siu, wong sau
yan hua » tan hua, ya hua, wang hua
yang xi » yang di, yang yi, yang jui
dong di » dong sin
nan ya » nan yan, nana yaa

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: nan ya ((yan hua) OR (tuan china)) rene ((yang xi) OR (yang jie)) ((wong siu) OR (dong di)) ;~.
• Adding a wildcard symbol may retrieve word variants: nan ya ((yan hua) or (tuan china)) rene ((yang xi) or (yang jie)) ((wong siu) or (dong di)) ;*.