Perhaps you should try some spelling variations:
zhong zhi » zhang zhi, hong ghi, zhong tai
gene bank » gene banks, one bank, genomen bank
dong hua » wang hua, tong hui, dong hoi
hua gene » human gene, a gene, hua ren
bank yan » bank can, bank bank, bank a
hong shu » cong shu, tong shui, wong shiu
hua yu » hua mu
yu hua » lu hua, qu hua, ya hua

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong hua yu hua gene bank yan ((hong shu) or (zhong zhi)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong hua yu hua gene bank yan ((hong shu) OR (zhong zhi)) ;*.