Perhaps you should try some spelling variations:
yang ying » yang yang, yang jing, huang ying
gene sang » lee sang, gene bank
sang minh » kang minah, anh minh, song min
hua gene » human gene, a gene, hua ren
hong shu » cong shu, tong shui, wong shiu
ying ya » ying yang, yang yao, king yax
hong yu » wong yue

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 hua gene sang minh ((hong shu) OR (hong yu)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yang ying ya hua gene sang minh ((hong shu) OR (hong yu)) ;*".