Perhaps you should try some spelling variations:
dong sign » dong sin, among sign
hua brain » human brain, hua ban, our brain
dong bin » dong sin, dong di, dann bin
liu kung » liu feng, liu gang, liu jun
liu yang » liu yan, du yang, liu feng
a brain » _ brain
drain » drawn, grain

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 sign)) ya ((hua brain) or (a brain)) drain ((liu kung) or (liu yang)) sar ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong bin) OR (dong sign)) ya ((hua brain) OR (a brain)) drain ((liu kung) OR (liu yang)) sar ;.
• Adding a wildcard symbol may retrieve word variants: ((dong bin) or (dong sign)) ya ((hua brain) or (a brain)) drain ((liu kung) or (liu yang)) sar ;*.