Perhaps you should try some spelling variations:
heat gain » health gain, health gains, wheat grains
keong hai » hong hai, jeong han, leong wai
zhong tai » hong tan, hong hai, zhong zhi
run gain » run pain
yang kin » yang jin, pang kin, yang lin
man han » man hat, man can, man kann
wang » wing, lang

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

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