Perhaps you should try some spelling variations:
nana yala » nana yaa
nana yana » nana yaa, nan yan
gene yang » gene bank
hua gene » human gene, a gene, hua ren
yang jun » yang jui, pang jun, yang jin
jun hong » tan hong, tin hong, can hong
hong shu » cong shu, tong shui, wong shiu

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong ((nana yala) or (nana yana)) hua gene yang jun hong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong ((nana yala) OR (nana yana)) hua gene yang jun hong shu ;.
• Adding a wildcard symbol may retrieve word variants: dong ((nana yala) or (nana yana)) hua gene yang jun hong shu ;*.