Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
heat gain » health gain, health gains, wheat grains
dang haji » dang hai, dato haji
tan heat » a heat, can hear, lag heat
wang qin » wang lin, wang qiao, wang jing
yang jie » yang jin, yang di, yang jui
wai tan » wai yan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wai tan) or (wahid tan)) tan heat gain ((((yang liang) or (wang qin))) or (yang jie)) dang haji ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wai tan) OR (wahid tan)) tan heat gain ((((yang liang) OR (wang qin))) OR (yang jie)) dang haji ;.
• Adding a wildcard symbol may retrieve word variants: ((wai tan) or (wahid tan)) tan heat gain ((((yang liang) or (wang qin))) or (yang jie)) dang haji ;*.