Perhaps you should try some spelling variations:
gene yang » gene bank
jie zhang » jia zhang, li zhang, bin zhang
yang jui » yang judy, yang di, yang xi
jie hong » xie hong, kia hong, tin hong
jie song » jae song, jin song, kim song
yang ka » yang fan, yang yao
a gene » a genre, a gender, a gentle

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

• If you are trying to use Boolean operators, they must be ALL CAPS: dong ((yang jui) OR (yang ka)) a gene yang ((((jie hong) OR (jie zhang))) OR (jie song)) hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong ((yang jui) or (yang ka)) a gene yang ((((jie hong) OR (jie zhang))) or (jie song)) hai ;~".
• Adding a wildcard symbol may retrieve word variants: dong ((yang jui) or (yang ka)) a gene yang ((((jie hong) OR (jie zhang))) or (jie song)) hai ;*.