Perhaps you should try some spelling variations:
heat gain » health gain, health gains, wheat grains
yang yang » wang yang, wang yan
dang haji » dang hai, dato haji
wenn man » kann man, wenn das
tan heat » a heat, can hear, lag heat
yang jun » yang jui, pang jun, yang jin
wan man » woran man, kann man, wan ming

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wan man) OR (wenn man)) tan heat gain ((yang yang) or (((yang jun) or (yang di)))) dang haji ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wan man) OR (wenn man)) tan heat gain ((yang yang) OR (((yang jun) OR (yang di)))) dang haji ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wan man) OR (wenn man)) tan heat gain ((yang yang) or (((yang jun) or (yang di)))) dang haji ;".
• Adding a wildcard symbol may retrieve word variants: ((wan man) OR (wenn man)) tan heat gain ((yang yang) or (((yang jun) or (yang di)))) dang haji ;*.