Perhaps you should try some spelling variations:
zili reformen » iii reformen, die reformen
reformen beim » reformen bei, reformen im, reformen teil
david dang » david mant, david ng
wang yang » wang yan, wang liang, wang yanling
yang zili » yang dali, yang li
david ian » david a, david n
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 zili reformen beim ((david dang) OR (david ian)) (hai OR hadi) ;~.
• Adding a wildcard symbol may retrieve word variants: yan wang yang zili reformen beim ((david dang) or (david ian)) (hai or hadi) ;*.