Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
yang zili » yang li
yang dali » yang di, bang dai, yang all
david ian » david a, david n
yang iii » klang iii, zwang iii, yang di
reform i » reform _, reform a, reform 1
i david » 2 david, die david, iii david

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