Perhaps you should try some spelling variations:
brain yan » brain gain, brain a
dong sign » dong sin, among sign
kong sara » kong sar
dong bin » dong sin, dann bin
jiu kong » jiu cong, liu kung, liu yong
dong di » dong sin
a brain » _ brain
yan jiu » yang jie, yang jin, pang jiu
ya a » a a, y a, ye a

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((dong bin) or (dong di))) or (dong sign)) ya a brain yan jiu kong sara ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((dong bin) OR (dong di))) OR (dong sign)) ya a brain yan jiu kong sara ;.
• Adding a wildcard symbol may retrieve word variants: ((((dong bin) or (dong di))) or (dong sign)) ya a brain yan jiu kong sara ;*.