Perhaps you should try some spelling variations:
wang daoping » wang xiaoping, wang danning, wang xiaobing
than china » tuan china, han china, wuhan china
daun yang » dan yang, du yang, tan yang
tan chia » tuan china, can china, dan china
thanh vu » thanh van, thanh _
yang min » yang mind, yang jin, tang min
min hong » amin hong, tin hong, min hyoung
hong hai » shang hai, zhong tai, dang hai

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: wang daoping ((((tan chia) OR (than china))) OR (thanh vu)) daun yang min hong hai ;~.
• Adding a wildcard symbol may retrieve word variants: wang daoping ((((tan chia) or (than china))) or (thanh vu)) daun yang min hong hai ;*.