Perhaps you should try some spelling variations:
dang hari » dang hai
hua gain » heat gain, run gain, hua ban
yan clan » das clan, yan guan, yan yuan
yang jin » yang jie, yang jun, ying jin
yan tan » yan guan, yan wang, yan yuan
tan tan » tas tan, tin tan, tang tang
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((((yan tan) OR (yan clan))) or (tan tan)) hua gain ((yang jin) or (yang di)) dang hari ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((((yan tan) OR (yan clan))) OR (tan tan)) hua gain ((yang jin) OR (yang di)) dang hari ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((((yan tan) OR (yan clan))) or (tan tan)) hua gain ((yang jin) or (yang di)) dang hari ;*".