Perhaps you should try some spelling variations:
wang daoping » wang xiaoping, wang danning, wang xiaobing
paul chan » paul celan, paul jean, paul shaw
chan ming » kian ming, chan eng, chan fong
ming kong » king kong, sing kong, hong kong
tan chia » tuan china, than china, can china
thanh vu » thanh van, thanh _
kong hai » hong hai, kong hang, dang hai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang daoping ((tan chia) or (thanh vu)) paul chan ming kong hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang daoping ((tan chia) OR (thanh vu)) paul chan ming kong hai ;*.