Perhaps you should try some spelling variations:
wang ying » wang yang, wang yong, wang jing
kang yong » kang young, wang yong, kong young
yang yue » wang yue, yang yun, yang jui
yang jun » yang jui, pang jun, yang jin
yong cai » dong cao, yong c, yong wah
fang hay » eang hay, fang a, kang han
hai » hadi, haji, hari

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 jun)) kang yong cai ((fang hay) OR (dang hai)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang ying ((yang yue) or (yang jun)) kang yong cai ((fang hay) or (dang hai)) ;*.