Perhaps you should try some spelling variations:
clan yang » chen yang, dan yang, tan yang
yang yang » wang yang, wang yan
yang wang » yan wang, yang guang, yang liang
yang yong » kang young, wang yang, yan cong
wang yong » wang yang, wang hyoung, wang yan
wing ian » wing tan, twinn ian, wing sun
cong sun » cong van, wing sun

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) OR (cong shu)))) clan yang yang 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) OR (cong shu)))) clan yang yang wang ((yang yong) OR (wang yong)) kim ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wing ian) or (((cong sun) OR (cong shu)))) clan yang yang wang ((yang yong) or (wang yong)) kim ;".
• Adding a wildcard symbol may retrieve word variants: ((wing ian) or (((cong sun) OR (cong shu)))) clan yang yang wang ((yang yong) or (wang yong)) kim ;*.