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