Perhaps you should try some spelling variations:
heat gain » health gain, health gains, wheat grains
dang hadi » dang hai
wing yan » wang yan, wing ian, wing tan
tan heat » a heat, can hear, lag heat
yang lin » wang lin, yang li, yang liang
yang jin » yang jie, yang jun, ying jin
yan tan » tan tan, yan clan, yan guan

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

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