Perhaps you should try some spelling variations:
hyoung yan » kyoung yang, hyoung gun, kyoung yun
kang chen » chang chen, jane chen, kang han
yan yuan » yan guan, fang yuan, nan yan
yuan kai » yuan kang, yuan fei, tan kai
kai yang » kai fang, yao yang, dan yang
yang xi » yang di, yang yi, yang jui
wang » wing, wan, lang
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 hyoung yan yuan kai yang xi ((kang chen) OR (dang hai)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang hyoung yan yuan kai yang xi ((kang chen) or (dang hai)) ;*.