Perhaps you should try some spelling variations:
david dang » david ian, david mant, david ng
wang yang » wang yan, wang liang, wang yanling
yang zili » yang dali, yang li
wan wang » wen wang, yan wang, qian wang
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: ((wan wang) OR (wang yang)) ((yang iii) OR (yang zili)) reform i david dang (hai OR hari) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wan wang) OR (wang yang)) ((yang iii) or (yang zili)) reform i david dang (hai or hari) ;~".
• Adding a wildcard symbol may retrieve word variants: ((wan wang) OR (wang yang)) ((yang iii) or (yang zili)) reform i david dang (hai or hari) ;*.