Perhaps you should try some spelling variations:
gene yang » gene bank
song shiu » song shin, wong shiu, cong shu
yang fan » yang yang, yang jun, yang yao
yang jin » yang jie, yang jun, ying jin
jin song » jie song, john song, kim song
yang ka » yang yao
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 ka) or (((((yang fan) OR (yang dean))) or (zhang fan)))) a gene yang jin song shiu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong ((yang ka) OR (((((yang fan) OR (yang dean))) OR (zhang fan)))) a gene yang jin song shiu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong ((yang ka) or (((((yang fan) OR (yang dean))) or (zhang fan)))) a gene yang jin song shiu ;".
• Adding a wildcard symbol may retrieve word variants: dong ((yang ka) or (((((yang fan) OR (yang dean))) or (zhang fan)))) a gene yang jin song shiu ;*.