Perhaps you should try some spelling variations:
wang daoping » wang xiaoping, wang danning, wang xiaobing
tuan china » wuhan china, can china, taiwan china
china dan » china den, china data, china des
yang jin » yang jie, yang jun, shang jin
ying jin » jing ji, yang jie
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 tuan china dan ((yang jin) OR (ying jin)) hong hai ;~.
• Adding a wildcard symbol may retrieve word variants: wang daoping tuan china dan ((yang jin) or (ying jin)) hong hai ;*.