Perhaps you should try some spelling variations:
dong skin » dong sin, dof skin
heat gain » health gain, health gains, wheat grains
yang yang » wang yang, wang yan
zhong zhi » zhang zhi, hong ghi, zhong tai
dong bin » dong sin, dong di, dann bin
run gain » run pain
yang tan » yang fan, yang dean, liang tan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong bin) or (dong skin)) ya ((heat gain) or (run gain)) ((yang tan) or (yang yang)) zhong zhi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong bin) OR (dong skin)) ya ((heat gain) OR (run gain)) ((yang tan) OR (yang yang)) zhong zhi ;.
• Adding a wildcard symbol may retrieve word variants: ((dong bin) or (dong skin)) ya ((heat gain) or (run gain)) ((yang tan) or (yang yang)) zhong zhi ;*.