Perhaps you should try some spelling variations:
yuan chan » yuan chang, yuan cheng, mun chan
yang dali » yang di, bang dai, yang all
yang iii » klang iii, yang zili, zwang iii
reform i » reform _, reform a, reform 1
yang xi » yang di, yang yi, yang jui
i david » 2 david, die david, iii david
david n » david a, david _, david k

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 chan ((yang iii) OR (((yang xi) OR (yang dali)))) reform i david n (hai OR hari) ;~.
• Adding a wildcard symbol may retrieve word variants: yuan chan ((yang iii) or (((yang xi) or (yang dali)))) reform i david n (hai or hari) ;*.