Perhaps you should try some spelling variations:
david dang » david ian, david ng
iii formen » ii formen, die formen, iii form
david mant » david ian, david ma, david malone
qian wang » yiqian wang, qian rong, qian yan
formen im » reformen im
yan wang » yuan wang, yang yang, yan liang
yang iii » klang iii, yang zili, zwang iii

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 (qian wang)) yang iii formen im ((david dang) OR (david mant)) (hai OR hadi) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yan wang) OR (qian wang)) yang iii formen im ((david dang) or (david mant)) (hai or hadi) ;~".
• Adding a wildcard symbol may retrieve word variants: ((yan wang) OR (qian wang)) yang iii formen im ((david dang) or (david mant)) (hai or hadi) ;*.