Perhaps you should try some spelling variations:
gene bank » gene banks, one bank, genomen bank
zhong zhi » zhang zhi, hong ghi, zhong tai
lang yan » wang yan, wang yang, zhang yan
yan guan » gan guan, yan yuan, yang guang
guan hua » tuan hua, gui hua, tan hua
hua gene » human gene, a gene, hua ren
bank di » bank die, bank do, bank adb
hong yu » wong yue

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 guan hua gene bank di ((zhong zhi) or (hong yu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yan guan hua gene bank di ((zhong zhi) OR (hong yu)) ;.
• Adding a wildcard symbol may retrieve word variants: lang yan guan hua gene bank di ((zhong zhi) or (hong yu)) ;*.