Perhaps you should try some spelling variations:
wang liang » wang yang
heat gain » health gain, health gains, wheat grains
wenn das » wenn die
can heat » can beat, can hear, ocean heat
hong hai » shang hai, zhong tai, dang hai
das can » das clan, ideas can, das cafe
yang yi » yang xi, yang jui

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

• Performing a fuzzy search may retrieve terms with similar spellings: wenn das can heat gain ((wang liang) or (((yang yi) or (yang di)))) hong hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wenn das can heat gain ((wang liang) OR (((yang yi) OR (yang di)))) hong hai ;.
• Adding a wildcard symbol may retrieve word variants: wenn das can heat gain ((wang liang) or (((yang yi) or (yang di)))) hong hai ;*.