Perhaps you should try some spelling variations:
hua gain » heat gain, run gain, hua ban
yang lin » wang lin, yang li, yang liang
yang jin » yang jun, ying jin, shang jin
yang jie » yang di, yang jui, yang yi
wan yan » wang yan, nan yan, wai yan
yan tan » tan tan, yan clan, yan guan
tan hua » tuan hua, wang hua, tan chia
yang xi » yang di, yang yi, yang jui
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: wan yan tan hua gain ((yang lin) or (((((yang jin) OR (yang jie))) or (yang xi)))) dang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan yan tan hua gain ((yang lin) OR (((((yang jin) OR (yang jie))) OR (yang xi)))) dang hai ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan yan tan hua gain ((yang lin) or (((((yang jin) OR (yang jie))) or (yang xi)))) dang hai ;".
• Adding a wildcard symbol may retrieve word variants: wan yan tan hua gain ((yang lin) or (((((yang jin) OR (yang jie))) or (yang xi)))) dang hai ;*.