Perhaps you should try some spelling variations:
yang liang » yan liang, yang yang, peng liang
wang liang » wang yang
heat gain » health gain, health gains, wheat grains
run gain » run pain
yang jin » yang jie, yang jun, ying jin
wan yan » wang yan, nan yan, wai yan
yan tan » tan tan, yan clan, yan guan
hai » hadi, haji, hari

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan yan tan ((run gain) or (heat gain)) ((((yang liang) or (wang liang))) or (yang jin)) dang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan yan tan ((run gain) OR (heat gain)) ((((yang liang) OR (wang liang))) OR (yang jin)) dang hai ;.
• Adding a wildcard symbol may retrieve word variants: wan yan tan ((run gain) or (heat gain)) ((((yang liang) or (wang liang))) or (yang jin)) dang hai ;*.