Perhaps you should try some spelling variations:
reformen beim » reformen bei, reformen im, reformen teil
die reformen » die reform, die formen, der reformen
beim david » kim david
david dang » david ian, david mant, david ng
liang die » klang die, liang dan, liang li
wan yan » nan yan, wai yan, wang yang

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