Perhaps you should try some spelling variations:
gene bank » gene banks, one bank, genomen bank
bank amin » banks amid, bank aid, bank api
hong ghi » zhong zhi, hong g
hong hai » shang hai, zhong tai, dang hai
yang yi » yang di, yang xi, yang jui
yang ka » yang fan, yang yao
yang y » yang _, yang 8, yang 4
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 y) or (yang yi))) or (yang ka)) a gene bank amin ((hong ghi) OR (hong hai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong ((((yang y) OR (yang yi))) OR (yang ka)) a gene bank amin ((hong ghi) OR (hong hai)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong ((((yang y) or (yang yi))) or (yang ka)) a gene bank amin ((hong ghi) OR (hong hai)) ;".
• Adding a wildcard symbol may retrieve word variants: dong ((((yang y) or (yang yi))) or (yang ka)) a gene bank amin ((hong ghi) OR (hong hai)) ;*.