Perhaps you should try some spelling variations:
yang ying » yang yang, yang jing, huang ying
sang minh » kang minah, anh minh, song min
wong shiu » wong siu, cong shu, song shin
yang jin » yang jie, yang jun, ying jin
yang jui » yang judy, yang di, yang xi
ying ya » ying yang, yang yao, king yax
a gene » a genre, a gender, a geneve

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 ya ((a gene) OR (a gentle)) ((sang minh) or (((yang jin) or (yang jui)))) wong shiu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yang ying ya ((a gene) OR (a gentle)) ((sang minh) OR (((yang jin) OR (yang jui)))) wong shiu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yang ying ya ((a gene) OR (a gentle)) ((sang minh) or (((yang jin) or (yang jui)))) wong shiu ;*".