Perhaps you should try some spelling variations:
wang ying » wang yang, wang jing, wang ning
wang yong » wang yang, wang hyoung, wang yan
kong hang » kong heng, kong hong, kong land
yang yue » wang yue, yang yun, yang yi
yang jui » yang judy, yang di, yang xi
yong jin » yang jin, ying jin, song jin
eang hay » dang hai, kang han

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 ying ((yang yue) OR (yang jui)) wang yong jin ((eang hay) OR (kong hang)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang ying ((yang yue) or (yang jui)) wang yong jin ((eang hay) or (kong hang)) ;*.