Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
hua brain » human brain, a brain, hua ban
brain han » brain gain, brain what, brain head
min dang » yimin dang, mein dank, bin dann
dong di » dong sin
han min » han men, kan min, chan ming
hair » hairi, chair, air

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) or (dong di)) ya hua brain han min dang (hai OR hair) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yang) OR (dong di)) ya hua brain han min dang (hai OR hair) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang yang) or (dong di)) ya hua brain han min dang (hai OR hair) ;".
• Adding a wildcard symbol may retrieve word variants: ((yang yang) or (dong di)) ya hua brain han min dang (hai OR hair) ;*.