Perhaps you should try some spelling variations:
heat gain » health gain, health gains, wheat grains
yan dean » yang dean, lane dean, can deal
hua gain » run gain, hua ban, via gain
yang lin » wang lin, yang li, yang liang
yang jin » yang jie, yang jun, ying jin
yang jui » yang judy, yang di, yang xi
wang » wing, wan, lang
tan » than

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 dean ((hua gain) OR (heat gain)) ((yang lin) or (((yang jin) or (yang jui)))) hong tan ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan dean ((hua gain) OR (heat gain)) ((yang lin) OR (((yang jin) OR (yang jui)))) hong tan ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan dean ((hua gain) OR (heat gain)) ((yang lin) or (((yang jin) or (yang jui)))) hong tan ;".
• Adding a wildcard symbol may retrieve word variants: wang yan dean ((hua gain) OR (heat gain)) ((yang lin) or (((yang jin) or (yang jui)))) hong tan ;*.