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

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 zwang iii reformen bei ((david dang) OR (david ma)) (hai OR hari) ;~.
• Adding a wildcard symbol may retrieve word variants: yan wang zwang iii reformen bei ((david dang) or (david ma)) (hai or hari) ;*.