Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
china wen » chia wen, china won, ching wen
long anh » long thanh, duong anh, trong anh
anh tuan » anh tran, dinh tuan, oanh tran
yang jie » yang di, yang jui, yang jun
yang jin » yang jun, ying jin, shang jin
yang yi » yang di, yang jui
yang xi » yang di, yang jui

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: long anh tuan china wen ((((((yang jie) OR (yang yi))) OR (yang xi))) OR (yang jin)) cong shu ;~.
• Adding a wildcard symbol may retrieve word variants: long anh tuan china wen ((((((yang jie) or (yang yi))) or (yang xi))) or (yang jin)) cong shu ;*.