Perhaps you should try some spelling variations:
brain yan » brain gain, brain a
dong skin » dong sin, dong bin, dof skin
kong saur » kong sar, kong siu, kong your
dann bin » dong bin
ya human » a human, das human, 3 human
jiu kong » jiu cong, liu kung, liu yong
dong di » dong sin
2 human » 3 human
yan jiu » yang jie, yang jin, pang jiu

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: ((((dann bin) OR (dong di))) OR (dong skin)) ((ya human) OR (2 human)) brain yan jiu kong saur ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((dann bin) or (dong di))) or (dong skin)) ((ya human) OR (2 human)) brain yan jiu kong saur ;~".
• Adding a wildcard symbol may retrieve word variants: ((((dann bin) or (dong di))) or (dong skin)) ((ya human) OR (2 human)) brain yan jiu kong saur ;*.