Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
tuan china » wuhan china, can china, taiwan china
dang hari » dang hai
tan chia » than china, can china, dan china
wen yang » wei yang, wen wang, chen yang
yang jie » yang jin, yang di, yang jui
jie dang » jie zhang, vie dans, bie dans

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 xiaoping ((tan chia) OR (tuan china)) wen yang jie dang hari ;~.
• Adding a wildcard symbol may retrieve word variants: wang xiaoping ((tan chia) or (tuan china)) wen yang jie dang hari ;*.