Perhaps you should try some spelling variations:
huang yala » huang fali
huang yang » huang ying, huang chang, wang yang
gene yang » gene bank
yang yang » wang yang, wang yan
hua gene » human gene, a gene, hua ren
hong shu » cong shu, tong shui, wong shiu
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: dong ((huang yala) OR (huang yang)) hua gene yang yang ((hong shu) or (hong yu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong ((huang yala) OR (huang yang)) hua gene yang yang ((hong shu) OR (hong yu)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong ((huang yala) OR (huang yang)) hua gene yang yang ((hong shu) or (hong yu)) ;*".