Perhaps you should try some spelling variations:
david dang » david ian, david mant
yuan wang » yan wang, yuan kang, yuan chang
yang zili » yang dali, yang li
yang iii » klang iii, zwang iii, yang di
reform i » reform _, reform a, reform 1
david ng » david n, david a, david _
david g » 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 wang ((yang iii) OR (yang zili)) reform i ((david dang) OR (((david ng) OR (david g)))) hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yuan wang ((yang iii) or (yang zili)) reform i ((david dang) or (((david ng) OR (david g)))) hai ;~".
• Adding a wildcard symbol may retrieve word variants: yuan wang ((yang iii) or (yang zili)) reform i ((david dang) or (((david ng) OR (david g)))) hai ;*.