Perhaps you should try some spelling variations:
hyoung yan » kyoung yang, hyoung gun, kyoung yun
yuan ting » yuan ming, huang ting, yuan kang
ting yong » wang yong, tan yong, ting peng
yang yang » wang yang, wang yan
yan yuan » yan guan, fang yuan, nan yan
yang fan » zhang fan, yang dean, yang jin
yong yi » yang yi, wong yi, yong kim

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (lang or wing) hyoung yan yuan ting yong yi ((yang fan) or (yang yang)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (lang OR wing) hyoung yan yuan ting yong yi ((yang fan) OR (yang yang)) ;*.