Perhaps you should try some spelling variations:
gene bank » gene banks, one bank, genomen bank
bank aid » band aid, bank card, bank adb
aid hong » aid how, aid homi, aid non
hong ghi » zhong zhi, hong g, hong hai
yang ya » yang yao, yang yi, yang y
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.

• Performing a fuzzy search may retrieve terms with similar spellings: dong ((yang ya) or (yang ka)) a gene bank aid hong ghi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong ((yang ya) OR (yang ka)) a gene bank aid hong ghi ;.
• Adding a wildcard symbol may retrieve word variants: dong ((yang ya) or (yang ka)) a gene bank aid hong ghi ;*.