Perhaps you should try some spelling variations:
"decentralized management _" » "centralized management _", "personalized management _"
"decentralized mas management" » "decentralized case management", "decentralized mean management", "decentralized aaa management", "decentralized emas management", "decentralized mass management", "decentralized das management"

Try widening your search to All Fields.

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 mas management") OR ((("decentralized prozessmanagement _") OR ("decentralized management _")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"decentralized mas management\") or (((\"decentralized prozessmanagement _\") OR (\"decentralized management _\"))))".
• Removing quotes may allow a broader search: (( decentralized mas management ) or ((( decentralized prozessmanagement _ ) OR ( decentralized management _ )))).
• Adding a wildcard symbol may retrieve word variants: (("decentralized mas management") or ((("decentralized prozessmanagement _") OR ("decentralized management _"))))*.