Perhaps you should try some spelling variations:
und reformen » und formen, und reform, der reformen
iii formen » ii formen, die formen, iii form
beim david » kim david
david dang » david ian, david mant, david ng
wang yang » wang yan, wang liang, wang yanling
yan wang » yuan wang, yang yang, qian wang

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 yang ((und reformen) OR (iii formen)) beim david dang (hai OR hadi) ;~.
• Adding a wildcard symbol may retrieve word variants: yan wang yang ((und reformen) or (iii formen)) beim david dang (hai or hadi) ;*.