Perhaps you should try some spelling variations:
heat gain » health gain, health gains, wheat grains
gain ying » jin ying, fan ying, ran ying
jeong ghi » hong ghi, jeong mi
jeong 情 » jeong _, jeongui 情, jeong mi
lag heat » large heat, a heat, lag test
ying jin » yang jin, jing ji, yang jie
dong » doing, long, done

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong (sin or skin) lag heat gain ying jin ((jeong ghi) or (jeong 情)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong (sin OR skin) lag heat gain ying jin ((jeong ghi) OR (jeong 情)) ;.
• Adding a wildcard symbol may retrieve word variants: dong (sin or skin) lag heat gain ying jin ((jeong ghi) or (jeong 情)) ;*.