Perhaps you should try some spelling variations:
heat gain » health gain, health gains, wheat grains
dang hadi » dang hai
yan tuan » yan guan, anh tuan, can turn
yan yuan » yan guan, fang yuan, nan yan
yang jun » yang jui, pang jun, yang jin
yang jie » yang jin, yang jui, yang xi
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 tuan) or (yan yuan)) heat gain ((yang di) or (((yang jun) or (yang jie)))) dang hadi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yan tuan) OR (yan yuan)) heat gain ((yang di) OR (((yang jun) OR (yang jie)))) dang hadi ;.
• Adding a wildcard symbol may retrieve word variants: wang ((yan tuan) or (yan yuan)) heat gain ((yang di) or (((yang jun) or (yang jie)))) dang hadi ;*.