Perhaps you should try some spelling variations:
yang yong » yang yang, kang young, wang yang
wang yong » wang yang, wang hyoung, wang yan
wing ian » wing tan, twinn ian, wing sun
cong sun » cong shu, cong van, wing sun
clan yan » qian yan, nan yan
yan wang » yuan wang, yang yang, qian wang
yan yan » yan yuan, nan yan, yang yang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wing ian) or (cong sun)) clan yan yan wang ((yang yong) or (wang yong)) kim ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wing ian) OR (cong sun)) clan yan yan wang ((yang yong) OR (wang yong)) kim ;.
• Adding a wildcard symbol may retrieve word variants: ((wing ian) or (cong sun)) clan yan yan wang ((yang yong) or (wang yong)) kim ;*.