Perhaps you should try some spelling variations:
yang ying » yang jing, huang ying, liang ying
yang yang » wang yang, wang yan
rene sang » lee sang
sang minh » kang minah, anh minh, song min
wong shiu » wong siu, cong shu, song shin
hua rene » hua ren, juan rene
hong shu » cong shu, tong shui, hong yu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang ying) OR (yang yang)) ya hua rene sang minh ((((hong shu) or (wong shiu))) or (hong seo)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang ying) OR (yang yang)) ya hua rene sang minh ((((hong shu) OR (wong shiu))) OR (hong seo)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang ying) OR (yang yang)) ya hua rene sang minh ((((hong shu) or (wong shiu))) or (hong seo)) ;*".