Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
jin hyoung » min hyoung, jin kyung
hyoung hai » hong hai
wang ning » wang jing, wang liang, wang yang
yang yang » wang yang, wang yan
yuan hui » yuan fei, jaan hui, tuan hua
hui yang » hui ying, du yang, h yang
yang jin » yang jie, yang jun, ying jin

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 ning))) OR (wang yanling)) yuan hui yang yang jin hyoung hai ;~.
• Adding a wildcard symbol may retrieve word variants: ((((wang xiaoping) or (wang ning))) or (wang yanling)) yuan hui yang yang jin hyoung hai ;*.