Perhaps you should try some spelling variations:
reformen beim » reformen bei, reformen im, reformen teil
iii reformen » die reformen, iii formen, der reformen
david caron » david barton, david bacon, david cichon
david dang » david ian, david mant, david ng
wang yang » wang yan, wang liang, wang yanling
yan wang » yuan wang, yang yang, qian wang
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 yang iii reformen beim ((david dang) OR (david caron)) (hai OR hadi) ;~.
• Adding a wildcard symbol may retrieve word variants: yan wang yang iii reformen beim ((david dang) or (david caron)) (hai or hadi) ;*.