Perhaps you should try some spelling variations:
yiqian wang » yijiang wang, liqin wang, qian wang
david mant » david ian, david ma, david malone
yang zili » yang dali, yang li
yan wang » yuan wang, yang yang, qian wang
yang iii » klang iii, zwang iii, yang di
reform a » reform _
mant hai » dang hai
a david » 2 david, a davis, de 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: ((yan wang) OR (yiqian wang)) ((yang iii) OR (yang zili)) reform a david mant hai ;~.
• Adding a wildcard symbol may retrieve word variants: ((yan wang) or (yiqian wang)) ((yang iii) or (yang zili)) reform a david mant hai ;*.