Perhaps you should try some spelling variations:
kyoung young » young young, kyoung yang, kong young
wang kyoung » wang hyoung, hwang byoung, wang yong
young yun » kyoung yun, young eun, young young
zhang hay » zhang han, zhang fan, chang ha
zhang yan » zhang fan, zhang jian, wang yan
tan yang » dan yang, tan ying, tan yong
yang lin » yang jin, wang lin, yang li
yun tan » yun jang

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 young yun tan yang lin ((zhang hay) OR (zhang yan)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang kyoung young yun tan yang lin ((zhang hay) or (zhang yan)) ;*.