Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
sang minh » kang minah, anh minh, song min
tang min » chang min, yang mind, tang li
wong siu » wong shiu, kong siu, wong siew
wong sau » wong sam, wong shiu, wong lai
yang li » yang lin, yang di, yang xi
li wu » l wu, yi wu, li ju

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang yang li wu ((tang min) OR (sang minh)) ((((wong siu) or (wong sau))) or (cong shu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang yang li wu ((tang min) OR (sang minh)) ((((wong siu) OR (wong sau))) OR (cong shu)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang yang li wu ((tang min) OR (sang minh)) ((((wong siu) or (wong sau))) or (cong shu)) ;*".