Perhaps you should try some spelling variations:
wuhan china » tuan china, yunnan china
jui zhang » li zhang, jia zhang, jie zhang
zhang dai » zhang fan, zhang wei, zhang yan
wing ian » wing tan, twinn ian, wing sun
thanh vu » thanh van, thanh _
tan yang » dan yang, tan ying, tan yong
yang jui » yang judy, yang di, 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: wing ian ((thanh vu) OR (wuhan china)) tan yang jui zhang dai ;~.
• Adding a wildcard symbol may retrieve word variants: wing ian ((thanh vu) or (wuhan china)) tan yang jui zhang dai ;*.