Perhaps you should try some spelling variations:
heat gain » health gain, health gains, wheat grains
yan liang » yang liang, wang liang, you liang
shang hai » shang kai, dang hai, chang ha
wenn man » kann man, wenn das
yang jin » yang jie, yang jun, shang jin
ying jin » jing ji, yang jie
hong hai » zhong tai, dang hai, hong tan
kann » ann

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

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