Perhaps you should try some spelling variations:
wenn woman » wenn man
woman can » women can, man can, woman c
heat gain » health gain, health gains, wheat grains
yan liang » yang liang, wang liang, you liang
dang hadi » dang hai
can heat » can beat, can hear, ocean heat
yang jin » yang jie, yang jun, ying jin

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: wenn woman can heat gain ((yan liang) OR (yang jin)) dang hadi ;~.
• Adding a wildcard symbol may retrieve word variants: wenn woman can heat gain ((yan liang) or (yang jin)) dang hadi ;*.