Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
wang tan » wang yan, wang ban, wang dan
hua gain » heat gain, run gain, hua ban
yang jui » yang judy, yang yi
hong ghi » zhong zhi, hong g, hong hai
tan hua » tuan hua, wang hua, tan chia
yang xi » yang yi

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

• If you are trying to use Boolean operators, they must be ALL CAPS: yuan wang tan hua gain ((((yang di) OR (yang xi))) OR (yang jui)) hong ghi ;~.
• Adding a wildcard symbol may retrieve word variants: yuan wang tan hua gain ((((yang di) or (yang xi))) or (yang jui)) hong ghi ;*.