Perhaps you should try some spelling variations:
yang zili » yang dali
yan wang » yuan wang, yang yang, qian wang
yang lin » yang jin, wang lin, yang liang
reform i » reform _, reform a, reform 1
david ma » david a, david m, david mant
yang li » yang di, yang xi, yang yi
i david » 2 david, die david, iii david
ma hai » ma hao

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: yan wang ((yang zili) OR (((yang li) OR (yang lin)))) reform i david ma hai ;~.
• Adding a wildcard symbol may retrieve word variants: yan wang ((yang zili) or (((yang li) or (yang lin)))) reform i david ma hai ;*.