Perhaps you should try some spelling variations:
hyoung yan » kyoung yang, hyoung gun, kyoung yun
kang chen » chang chen, jane chen, kang han
dang hadi » dang hai
yan yuan » yan guan, fang yuan, nan yan
yuan dan » yuan kang, yuan wang, yuan kai
dan yang » daun yang, tan yang, wang yang
yang xi » yang di, yang yi, yang jui
wang » wing, wan, lang

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 dan yang xi ((kang chen) OR (dang hadi)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang hyoung yan yuan dan yang xi ((kang chen) or (dang hadi)) ;*.