Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
gene bank » gene banks, one bank, genomen bank
yang hua » wang hua, yang hui, ying hua
wang hui » wang hua, wang zhi, wang wei
hong ghi » zhong zhi, hong g, hong hai
bank yi » bank aid, bank api, bank bni
yi hong » yi rong, kia hong, thi hong

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

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