Perhaps you should try some spelling variations:
heat gain » health gain, health gains, wheat grains
hua gain » run gain, hua ban, via gain
yang jun » yang jui, pang jun, yang jin
yan tan » tan tan, yan clan, yan guan
yang xi » yang yi, yang jui
hong g » hong ng, hong w, hong 7
wang » wing, wan, 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 yan tan ((hua gain) OR (heat gain)) ((((yang di) or (yang jun))) or (yang xi)) hong g ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan tan ((hua gain) OR (heat gain)) ((((yang di) OR (yang jun))) OR (yang xi)) hong g ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan tan ((hua gain) OR (heat gain)) ((((yang di) or (yang jun))) or (yang xi)) hong g ;".
• Adding a wildcard symbol may retrieve word variants: wang yan tan ((hua gain) OR (heat gain)) ((((yang di) or (yang jun))) or (yang xi)) hong g ;*.