Perhaps you should try some spelling variations:
wang hong » wang yong, wang hyoung, wang lihong
china dan » china den, china data, china des
kang chen » chang chen, kang han, tang chun
jane chen » jean chen, jie chen
hong can » hong tan, congo can, hong gang
yang jui » yang judy, yang di, yang yi
yang xi » yang di, yang yi

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 hong can china dan ((yang xi) OR (yang jui)) ((kang chen) OR (jane chen)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang hong can china dan ((yang xi) or (yang jui)) ((kang chen) OR (jane chen)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang hong can china dan ((yang xi) or (yang jui)) ((kang chen) OR (jane chen)) ;*.