Perhaps you should try some spelling variations:
hyoung yan » kyoung yang, hyoung gun, kyoung yun
yan yuan » yan guan, fang yuan, nan yan
yuan tan » huan t'an, yuan kang, yuan ting
tan yang » dan yang, tan ying, tan yong
gang hay » eang hay, gang hu, gang yao
yang yi » yang di, yang xi, yang jui
hai » hadi, haji, hari

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 tan yang yi ((gang hay) OR (dang hai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (lang OR wing) hyoung yan yuan tan yang yi ((gang hay) OR (dang hai)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(lang or wing) hyoung yan yuan tan yang yi ((gang hay) OR (dang hai)) ;*".