Perhaps you should try some spelling variations:
yuan chang » yuan cheng, huang chang, han chang
yuan kang » chan kang, yuan kai, yuan ming
yuan wang » yan wang, qian wang, yu wang
long tan » hong tan, long han, long thanh
tan clan » yan clan, das clan, tan tan
clan yan » qian yan, nan yan
chuan il » chuan fa, chun i

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: long tan clan yan ((yuan kang) OR (((yuan wang) OR (yuan chang)))) chen chuan il ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "long tan clan yan ((yuan kang) or (((yuan wang) OR (yuan chang)))) chen chuan il ;~".
• Adding a wildcard symbol may retrieve word variants: long tan clan yan ((yuan kang) or (((yuan wang) OR (yuan chang)))) chen chuan il ;*.