Perhaps you should try some spelling variations:
heat gain » health gain, health gains, wheat grains
dang hadi » dang hai
can turn » can return, a turn, ein turn
gan guan » yan guan, quan guan, fan guon
yang lin » wang lin, yang li, yang liang
yang jin » yang jie, yang jun, ying jin
yang jui » yang judy, yang di, yang xi

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((can turn) or (gan guan)) heat gain ((yang lin) or (((yang jin) or (yang jui)))) dang hadi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((can turn) OR (gan guan)) heat gain ((yang lin) OR (((yang jin) OR (yang jui)))) dang hadi ;.
• Adding a wildcard symbol may retrieve word variants: wang ((can turn) or (gan guan)) heat gain ((yang lin) or (((yang jin) or (yang jui)))) dang hadi ;*.