Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, wang xiaolin, huang xiaoting
wuhan china » tuan china, yunnan china
chang hari » chang ha, chang part, shang hai
china jin » china jing, china jiing, china joins
yang jin » yang jie, ying jin, shang jin
yang jun » yang jui, pang jun, yang judy

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 (deng xiaoping)) wuhan china jin ((yang jin) OR (yang jun)) chang hari ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang xiaoping) or (deng xiaoping)) wuhan china jin ((yang jin) OR (yang jun)) chang hari ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang xiaoping) or (deng xiaoping)) wuhan china jin ((yang jin) OR (yang jun)) chang hari ;*.