Perhaps you should try some spelling variations:
regelungsbedurfnis » regelungsbedurftig, regelungsbedurftige, geltungsbedurfnis
regelungsbedurfnisse » regelungsbedurftigse, regelungsbedurftigese, geltungsbedurfnisse, regelungsbedurfnisses, vergeltungsbedurfnisse, regelungsbedurftige
regelungsgefugese » regelungsgefuges, regelungsgefuge, regelungsbefugnisse
regulierungsbedurfnis » regulierungsbedarf

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: (regelungsbedurfnis OR ((regelungsgefugese OR regelungsbedurfnisse) OR regulierungsbedurfnis)).
• Adding a wildcard symbol may retrieve word variants: (regelungsbedurfnis or ((regelungsgefugese or regelungsbedurfnisse) or regulierungsbedurfnis))*.