Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
wang yang » wang yan, wang liang, wang yanling
hua brain » a brain, hua ban, our brain
yang mind » yang cindy, yang jin, sang minh
zhong zhi » zhang zhi, hong ghi, zhong tai
yang jui » yang judy, yang di, yang xi

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: yuan wang yang ((hua brain) OR (human brain)) ((yang mind) OR (yang jui)) zhong zhi ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yuan wang yang ((hua brain) OR (human brain)) ((yang mind) or (yang jui)) zhong zhi ;~".
• Adding a wildcard symbol may retrieve word variants: yuan wang yang ((hua brain) OR (human brain)) ((yang mind) or (yang jui)) zhong zhi ;*.