Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
gene bank » gene banks, one bank, genomen bank
bank amin » banks amid, bank aid, bank api
amin hong » min hong, among hong, tin hong
hong ghi » zhong zhi, hong g, hong hai
yi hua » li hua, ya hua, ying hua
li hui » li hua, li kui

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

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