Perhaps you should try some spelling variations:
reformen beim » reformen bei, reformen im, reformen teil
li reformen » die reformen, iii reformen, 1 reformen
david dang » david mant, david ng
wang yang » wang yan, wang liang, wang yanling
david ian » david a, david n
yan wang » yuan wang, yang yang, qian wang
yang li » yang lin, yang di, yang xi

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