Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, dan yang
yang yang » wang yang, wang yan
gene bank » gene banks, one bank, genomen bank
bank tin » bank latin, bank aid, bank btn
tin hong » tan hong, kia hong, thi hong
hong ghi » zhong zhi, hong g, hong hai
a gene » a genre, a gender, a gentle
i a » i am

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) or (yang yang)) i a gene bank tin hong ghi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong yang) OR (yang yang)) i a gene bank tin hong ghi ;.
• Adding a wildcard symbol may retrieve word variants: ((dong yang) or (yang yang)) i a gene bank tin hong ghi ;*.