Perhaps you should try some spelling variations:
gene yang » gene bank
yang fan » zhang fan, yang dean, yang yang
yang jin » yang jie, yang jun, ying jin
jin hong » tin hong, jin song, min hong
hong hai » shang hai, zhong tai, dang hai
yang yi » yang di, yang xi, yang jui
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 ((yang yi) or (yang fan)) a gene yang jin hong hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong ((yang yi) OR (yang fan)) a gene yang jin hong hai ;.
• Adding a wildcard symbol may retrieve word variants: dong ((yang yi) or (yang fan)) a gene yang jin hong hai ;*.