Perhaps you should try some spelling variations:
yang yang » wang yang
hua brain » human brain, a brain, hua ban
brain yan » brain gain, brain a
jiu wong » jiu cong, ji won, kie wong
wong sau » wong sam, wong siu, wong shiu
yan jiu » yang jie, yang jin, pang jiu
dong » doing, long, done

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong sin) or (((yang yang) OR (wang yan)))) ya hua brain yan jiu wong sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong sin) OR (((yang yang) OR (wang yan)))) ya hua brain yan jiu wong sau ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong sin) or (((yang yang) OR (wang yan)))) ya hua brain yan jiu wong sau ;*".