Perhaps you should try some spelling variations:
wang yong » wang yang, wang hyoung, wang yan
yuan gain » run gain, yuan lin
yuan kai » yuan kang, yuan fei, tan kai
kang hay » kang han, dang hai, kang tae
yong yan » yang yang, dong yang, ying yang
eang hay » dang hai, kang han
yang wu » yang du, yang mu, yang jui
tan ah » tan kah, tan bh

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yong yan ((((yuan gain) OR (yuan kai))) or (tan ah)) yang wu ((kang hay) or (eang hay)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yong yan ((((yuan gain) OR (yuan kai))) OR (tan ah)) yang wu ((kang hay) OR (eang hay)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yong yan ((((yuan gain) OR (yuan kai))) or (tan ah)) yang wu ((kang hay) or (eang hay)) ;*".