Perhaps you should try some spelling variations:
reformen beim » reformen bei, reformen im, reformen teil
iii reformen » die reformen, iii formen, der reformen
beim david » kim david
david dang » david ian, david mant, david ng
yang yang » wang yang, wang yan
zwang iii » zugang iii, klang iii
dang hadi » dang hai
yan wang » yuan wang, qian wang, yan liang

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