Perhaps you should try some spelling variations:
wang daoping » wang xiaoping, wang danning, wang xiaobing
tuan china » wuhan china, taiwan china, yunnan china
wang yang » wang yan, wang liang, wang yanling
daun yang » dan yang, du yang, tan yang
yang jin » yang jie, yang jun, ying jin
jin how » john how
how hai » how has, how ai, how hci

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 yang) OR (wang daoping)) ((can china) OR (tuan china)) daun yang jin how hai ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang yang) or (wang daoping)) ((can china) or (tuan china)) daun yang jin how hai ;*.