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