Perhaps you should try some spelling variations:
gene yang » gene bank
zhang zhi » zhong zhi, wang zhi, zhang wei
lang yan » wang yan, wang yang, zhang yan
yang hua » wang hua, yang jui, wang hui
ying hua » ming hua, wang hua, ying zhu
yang hui » yang jui, wang hui, yang muxi
ji zhang » jia zhang, jie zhang, li zhang
yang ji » yang jui, yang jie, yang jin

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang yan ((((yang hua) or (ying hua))) or (yang hui)) gene yang ji zhang zhi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yan ((((yang hua) OR (ying hua))) OR (yang hui)) gene yang ji zhang zhi ;.
• Adding a wildcard symbol may retrieve word variants: lang yan ((((yang hua) or (ying hua))) or (yang hui)) gene yang ji zhang zhi ;*.