Perhaps you should try some spelling variations:
human gene » human genome, human gender, human bone
dong nana » dong nan, dong yang
zhong zhi » zhang zhi, hong ghi, zhong tai
nana yaa » nan ya, nan yan, nanay a
yang jui » yang judy, yang di
yang xi » yang di
yang yi » yang di
a gene » a genre, a gender, a gentle

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 yaa ((human gene) or (a gene)) ((((yang xi) or (yang jui))) or (yang yi)) zhong zhi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong nana yaa ((human gene) OR (a gene)) ((((yang xi) OR (yang jui))) OR (yang yi)) zhong zhi ;.
• Adding a wildcard symbol may retrieve word variants: dong nana yaa ((human gene) or (a gene)) ((((yang xi) or (yang jui))) or (yang yi)) zhong zhi ;*.