Perhaps you should try some spelling variations:
wang yong » wang yang, wang hyoung, wang yan
yong fang » yong phang, yang fan, jing fang
fang yuan » wang yuhan, wang yan, meng yuan
yuan ting » yuan ming, huang ting, yuan kang
ting yang » ying yang, wang yang, yang yang
yin yang » ying yang, yi yang, yin fang
yu yang » du yang, yi yang, yu fang

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 yong fang yuan ting yang ((yu yang) OR (yin yang)) (hai OR hadi) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yong fang yuan ting yang ((yu yang) or (yin yang)) (hai or hadi) ;*.