Perhaps you should try some spelling variations:
than china » tuan china, han china, wuhan china
china fan » china fax, china fall, china fur
tong hui » wang hui
hui than » hui kian
yang jin » yang jie, yang jun, ying jin
yang jui » yang judy, yang di, yang yi
yang xi » yang di, yang yi

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: tong hui than china fan ((yang jin) OR (((yang jui) OR (yang xi)))) cong shu ;~.
• Adding a wildcard symbol may retrieve word variants: tong hui than china fan ((yang jin) or (((yang jui) or (yang xi)))) cong shu ;*.