Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
gang minh » sang minh, kang minah, anh minh
minh tong » minh cong, dinh tung, min hong
yang jie » yang jin, yang jui, yang jun
tong hui » wang hui
yang xi » yang jui
yang yi » yang jui

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 ((yang jie) OR (((((yang xi) OR (yang yi))) OR (yang di)))) ii gang minh tong hui ;~.
• Adding a wildcard symbol may retrieve word variants: wang xiaoping ((yang jie) or (((((yang xi) or (yang yi))) or (yang di)))) ii gang minh tong hui ;*.