Perhaps you should try some spelling variations:
vorschriften desr » vorschriften des, vorschriften der, vorschriften das
schriften desm » schriften der, schriften das, schriften beim
schriften desr » schriften der, schriften das, schriften dieses

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: ((((((schriften desm) OR (schriften desr))) OR (schriften des))) OR (vorschriften desr)) management.
• Adding a wildcard symbol may retrieve word variants: ((((((schriften desm) or (schriften desr))) or (schriften des))) or (vorschriften desr)) management*.