Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
gene yang » gene bank
hua gene » human gene, a gene, hua ren
yang jin » yang jie, yang jun, ying jin
jin kong » jin kang, jin song, king kong
yan yan » yan yuan, nan yan, wang yan
wang » wing, lang
sar » sara, star, saur

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

• Performing a fuzzy search may retrieve terms with similar spellings: (wang or wan) ((yan yan) or (yang yang)) hua gene yang jin kong sar ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wang OR wan) ((yan yan) OR (yang yang)) hua gene yang jin kong sar ;.
• Adding a wildcard symbol may retrieve word variants: (wang or wan) ((yan yan) or (yang yang)) hua gene yang jin kong sar ;*.