Perhaps you should try some spelling variations:
luhang ying » huang ying, liang ying
zhang ying » zhang ming, zhang jing, zhang ping
gene bank » gene banks, one bank, genomen bank
zhong tai » hong tan, hong hai, zhong zhi
zhi gene » i gene, iii gene
bank tan » bank can, bank bank, bank a
hong a » hong ma, hong w, kong a

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((luhang ying) OR (zhang ying)) zhi gene bank tan ((zhong tai) OR (hong a)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((luhang ying) or (zhang ying)) zhi gene bank tan ((zhong tai) or (hong a)) ;*.