Perhaps you should try some spelling variations:
hyoung yan » kyoung yang, hyoung gun, kyoung yun
zhang yan » zhang fan, zhang jian, wang yan
yan yuan » yan guan, fang yuan, nan yan
yuan dan » yuan kang, yuan wang, yuan kai
dan yang » daun yang, tan yang, wang yang
chang ha » chang mae
yang li » yang lin, yang di, yang xi
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 li ((chang ha) OR (zhang yan)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang hyoung yan yuan dan yang li ((chang ha) or (zhang yan)) ;*.