Perhaps you should try some spelling variations:
than china » tuan china, han china, wuhan china
yuan wang » yan wang, yuan kang, yuan chang
tuan hua » tuan vu, yuan hui
yang tin » yang jin, yang lin, yang jing
tin hong » tan hong, kia hong, thi hong
tan hua » wang hua, tan chia, tan puay
hong yu » wong yue

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: yuan wang ((((tan hua) OR (than china))) OR (tuan hua)) rene yang tin hong yu ;~.
• Adding a wildcard symbol may retrieve word variants: yuan wang ((((tan hua) or (than china))) or (tuan hua)) rene yang tin hong yu ;*.