Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
xiaoping wang » xiaoyang tang
daun yang » dan yang, du yang, tan yang
shang hai » shang kai, dang hai, chang ha
hua daun » hua ban
yang jin » yang jie, yang jun, ying jin
hong hai » zhong tai, dang hai, hong tan

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang xiaoping wang hua daun yang jin ((hong hai) or (shang hai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang xiaoping wang hua daun yang jin ((hong hai) OR (shang hai)) ;*.