Perhaps you should try some spelling variations:
human gene » human genome, human gender, human bone
yang yang » wang yang, wang yan
zhong zhi » zhang zhi, hong ghi, zhong tai
yang fan » zhang fan, yang dean, yang jin
wong yue » wang yue, hong yu
hua ren » hua chen
bank di » bank die, bank do, bank adb

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

• Performing a fuzzy search may retrieve terms with similar spellings: yang yang fan ((hua ren) or (human gene)) bank di ((zhong zhi) or (wong yue)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yang yang fan ((hua ren) OR (human gene)) bank di ((zhong zhi) OR (wong yue)) ;.
• Adding a wildcard symbol may retrieve word variants: yang yang fan ((hua ren) or (human gene)) bank di ((zhong zhi) or (wong yue)) ;*.