Perhaps you should try some spelling variations:
wang kyoung » wang hyoung, hwang byoung, wang yong
kyoung yun » young yun, kyoung yang, hyoung gun
kang chen » chang chen, jane chen, kang han
dang hadi » dang hai
yun yuan » yan yuan, sun yan, xu yuan
yuan kai » yuan kang, yuan fei, tan kai
yang jui » yang judy, yang di, yang yi
yang xi » yang di, yang yi

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 kyoung yun yuan kai ((yang xi) OR (yang jui)) ((kang chen) OR (dang hadi)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang kyoung yun yuan kai ((yang xi) OR (yang jui)) ((kang chen) or (dang hadi)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang kyoung yun yuan kai ((yang xi) OR (yang jui)) ((kang chen) or (dang hadi)) ;*.