Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
dang hari » dang hai
hua gain » heat gain, run gain, hua ban
ying jin » yang jin, jing ji, yang jie
wan yan » nan yan, wai yan, wang yang
yan han » man han, yan zhang, kang han
han hua » tan hua, wang hua, tuan hua

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan yan han hua gain ((((yang liang) or (wang yan))) or (ying jin)) dang hari ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan yan han hua gain ((((yang liang) OR (wang yan))) OR (ying jin)) dang hari ;.
• Adding a wildcard symbol may retrieve word variants: wan yan han hua gain ((((yang liang) or (wang yan))) or (ying jin)) dang hari ;*.