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

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