Perhaps you should try some spelling variations:
heat gain » health gain, health gains, wheat grains
gain yang » dan yang, daun yang, tan yang
min jeong » kin keong, min hong, mun leong
yang yao » yang yang, wang yan, yang fan
tin hong » kia hong, thi hong
yang yi » yang di, yang xi, yang jui
a heat » a heart, _ heat, a head
ng a » lng a, ngo a, png a

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang yi) or (yang yao))ng a heat gain yang ((((tin hong) or (tan hong))) or (min jeong)) ghi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yi) OR (yang yao))ng a heat gain yang ((((tin hong) OR (tan hong))) OR (min jeong)) ghi ;.
• Adding a wildcard symbol may retrieve word variants: ((yang yi) or (yang yao))ng a heat gain yang ((((tin hong) or (tan hong))) or (min jeong)) ghi ;*.