Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
yan liang » yang liang, wang liang, you liang
hua gain » heat gain, run gain, hua ban
yang jin » yang jie, yang jun, ying jin
yan tan » tan tan, yan clan, yan guan
tin tan » tan tan, tin can, wing tan
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: wai ((yan tan) or (tin tan)) hua gain ((((yang yang) or (yan liang))) or (yang jin)) dang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wai ((yan tan) OR (tin tan)) hua gain ((((yang yang) OR (yan liang))) OR (yang jin)) dang hai ;.
• Adding a wildcard symbol may retrieve word variants: wai ((yan tan) or (tin tan)) hua gain ((((yang yang) or (yan liang))) or (yang jin)) dang hai ;*.