Perhaps you should try some spelling variations:
heat gain » health gain, health gains, wheat grains
yan liang » yang liang, wang liang, you liang
yang jun » pang jun, yang jin, yang judy
yang jui » yang judy, yang di, yang xi
man can » man han, woman can
woran » woman, moran, goran
kann » ann
hai » hadi, haji, hari

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

• If you are trying to use Boolean operators, they must be ALL CAPS: woran ((man can) OR (man kann)) heat gain ((yan liang) OR (((yang jun) OR (yang jui)))) dang hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "woran ((man can) OR (man kann)) heat gain ((yan liang) or (((yang jun) or (yang jui)))) dang hai ;~".
• Adding a wildcard symbol may retrieve word variants: woran ((man can) OR (man kann)) heat gain ((yan liang) or (((yang jun) or (yang jui)))) dang hai ;*.