Perhaps you should try some spelling variations:
heat gain » health gain, health gains, wheat grains
yan liang » yang liang, wang liang, you liang
han heat » a heat, can hear, lag heat
yang jun » yang jui, pang jun, yang judy
yang jin » yang jie, ying jin, shang jin
man han » man hat, man can, man kann
woran » woman, moran, goran
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: woran man han heat gain ((yan liang) or (((yang jun) OR (yang jin)))) dang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: woran man han heat gain ((yan liang) OR (((yang jun) OR (yang jin)))) dang hai ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "woran man han heat gain ((yan liang) or (((yang jun) OR (yang jin)))) dang hai ;".
• Adding a wildcard symbol may retrieve word variants: woran man han heat gain ((yan liang) or (((yang jun) OR (yang jin)))) dang hai ;*.