Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
heat gain » health gain, health gains, wheat grains
wan yuan » yan yuan, wang yuhan, fang yuan
hua gain » run gain, hua ban, via gain
yang lin » yang jin, wang lin, yang li
yang jie » yang jin, yang di, yang jui
yang yi » yang di, yang xi, 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 yuan wang ((hua gain) OR (heat gain)) ((yang lin) or (((yang jie) or (yang yi)))) dang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan yuan wang ((hua gain) OR (heat gain)) ((yang lin) OR (((yang jie) OR (yang yi)))) dang hai ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan yuan wang ((hua gain) OR (heat gain)) ((yang lin) or (((yang jie) or (yang yi)))) dang hai ;".
• Adding a wildcard symbol may retrieve word variants: wan yuan wang ((hua gain) OR (heat gain)) ((yang lin) or (((yang jie) or (yang yi)))) dang hai ;*.