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 qin, wang limin
ying jin » yang jin, jing ji, yang jie
hong ghi » zhong zhi, hong g, hong hai
tan » than

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 (ying jin)) ((hong ghi) or (hong tan)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yuan wang hua gain ((((yang lin) OR (wang lin))) OR (ying jin)) ((hong ghi) OR (hong tan)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yuan wang hua gain ((((yang lin) OR (wang lin))) or (ying jin)) ((hong ghi) or (hong tan)) ;*".