Perhaps you should try some spelling variations:
hard zhang » hao zhang, hard thing
bank hard » bank card, bank cards, bank aid
gene bank » gene banks, one bank, genomen bank
zhang zhi » zhong zhi, wang zhi, zhang wei
yang hua » wang hua, yang hui, ying hua
ming hua » ying hua, ming hung, wang hua
yang jun » yang jui, pang jun, yang jin
wang » wing, wan

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

• Performing a fuzzy search may retrieve terms with similar spellings: (wang OR lang) yan ((((yang hua) or (ming hua))) or (yang jun)) gene bank hard zhang zhi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wang OR lang) yan ((((yang hua) OR (ming hua))) OR (yang jun)) gene bank hard zhang zhi ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang OR lang) yan ((((yang hua) or (ming hua))) or (yang jun)) gene bank hard zhang zhi ;*".