Perhaps you should try some spelling variations:
kong hang » kong heng, kong hong, kong land
heat gain » health gain, health gains, wheat grains
gain yang » dan yang, daun yang, tan yang
yang amin » yang jin, yang lin, yang mind
amin dang » yimin dang, amin hong
kang can » kang ca, kang han, kang chen
hai » hadi, haji, hari

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

• Performing a fuzzy search may retrieve terms with similar spellings: (wing or wan) ((kang can) or (kong hang)) heat gain yang amin dang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wing OR wan) ((kang can) OR (kong hang)) heat gain yang amin dang hai ;.
• Adding a wildcard symbol may retrieve word variants: (wing or wan) ((kang can) or (kong hang)) heat gain yang amin dang hai ;*.