Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
wang xiaobing » wang xiaodong, wang xiaolin, huang xiaoting
tan chia » tuan china, than china, can china
tan yang » dan yang, tan ying, tan yong
yang jin » yang jie, yang jun, ying jin
jin song » jie song, john song, kim song
song hai » hong hai, shang hai, 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 xiaoping) OR (wang xiaobing)) ((wang hua) OR (tan chia)) tan yang jin song hai ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang xiaoping) or (wang xiaobing)) ((wang hua) or (tan chia)) tan yang jin song hai ;*.