Perhaps you should try some spelling variations:
yuan cheng » yuan chang, huang cheng, yu cheng
gene bank » gene banks, one bank, genomen bank
bank amin » banks amid, bank aid, bank api
amin hong » min hong, among hong, tin hong
yan wang » yuan wang, yang yang, qian wang
iii gene » iii rene, iii gender, iii genome

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

• Performing a fuzzy search may retrieve terms with similar spellings: fang ((yuan cheng) or (yan wang)) iii gene bank amin hong seo ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: fang ((yuan cheng) OR (yan wang)) iii gene bank amin hong seo ;*.