Perhaps you should try some spelling variations:
decentralized prozess » decentralized process, decentralized wireless, decentralized access
decentralized modal » decentralized model, decentralized nodal, decentralized models
prozess management » prozessmanagement _
modal management » model management, local management, goal management

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: (( decentralized modal management ) OR ( decentralized prozess management )).
• Adding a wildcard symbol may retrieve word variants: (( decentralized modal management ) or ( decentralized prozess management ))*.