Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
heat gain » health gain, health gains, wheat grains
wenn man » kann man, wenn das
han heat » a heat, can hear, lag heat
yang jin » yang jie, yang jun, ying jin
hong hai » shang hai, zhong tai, dang hai
man han » man hat, man can, man kann

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 han heat gain ((yang liang) or (yang jin)) hong hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wenn man han heat gain ((yang liang) OR (yang jin)) hong hai ;.
• Adding a wildcard symbol may retrieve word variants: wenn man han heat gain ((yang liang) or (yang jin)) hong hai ;*.