Perhaps you should try some spelling variations:
china health » china's health, child health, capita health
liang china » living china, ming china, qing china
health gain » health goals
wang liang » wang yang
yang mind » yang cindy, sang minh, tang min
hong than » hong tan, long thanh
yang jin » yang jie, yang jun, ying jin
hong hai » shang hai, zhong tai, dang hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang liang china health gain ((yang mind) or (yang jin)) ((hong than) OR (hong hai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang liang china health gain ((yang mind) OR (yang jin)) ((hong than) OR (hong hai)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang china health gain ((yang mind) or (yang jin)) ((hong than) OR (hong hai)) ;".
• Adding a wildcard symbol may retrieve word variants: wang liang china health gain ((yang mind) or (yang jin)) ((hong than) OR (hong hai)) ;*.