Perhaps you should try some spelling variations:
yuan chang » yuan cheng, huang chang, han chang
fang yuan » wang yuhan, wang yan, meng yuan
chang hua » chang ha, chang chuan, chang hsun
gain yang » dan yang, daun yang, tan yang
zhong zhi » zhang zhi, hong ghi, zhong tai
hong than » hong tan, long thanh, hong hai
hua gain » heat gain, run gain, hua ban
yang jin » yang jie, yang jun, ying jin

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

• Performing a fuzzy search may retrieve terms with similar spellings: fang yuan chang hua gain yang jin ((zhong zhi) or (hong than)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: fang yuan chang hua gain yang jin ((zhong zhi) OR (hong than)) ;*.