Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
hear gain » heat gain
wang can » wang yan, wang ban, wang dan
can hear » can gear, can learn, can help
yang lin » yang jin, wang lin, yang liang
hong ghi » zhong zhi, hong g, hong hai
yang li » yang di, yang xi, yang yi

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

• Performing a fuzzy search may retrieve terms with similar spellings: yuan wang can hear gain ((yang lin) or (yang li)) hong ghi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yuan wang can hear gain ((yang lin) OR (yang li)) hong ghi ;.
• Adding a wildcard symbol may retrieve word variants: yuan wang can hear gain ((yang lin) or (yang li)) hong ghi ;*.