Perhaps you should try some spelling variations:
david dang » david ian, david mant, david ng
yang zili » yang dali, yang li
wan wang » wen wang, wang yang, qian wang
yan wang » yuan wang, yang yang, qian wang
yang iii » klang iii, zwang iii, yang di
a david » 2 david, a davis, de david
form a » form _, reform a
hai » hadi, haji, hari

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 (yan wang)) ((yang iii) OR (yang zili)) form a david dang hai ;~.
• Adding a wildcard symbol may retrieve word variants: ((wan wang) or (yan wang)) ((yang iii) or (yang zili)) form a david dang hai ;*.