Perhaps you should try some spelling variations:
"decentralized process management" » "decentralized privacy management", "decentralized processing management"
"centralized wireless management" » "centric wireless management", "centralized awareness management", "centralized witness management", "centralized wilderness management"
"decentralized control management" » "decentralized content 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 control management") OR ("decentralized process management"))) OR ("centralized wireless management")).
• Removing quotes may allow a broader search: (((( decentralized control management ) or ( decentralized process management ))) or ( centralized wireless management )).
• Adding a wildcard symbol may retrieve word variants: (((("decentralized control management") or ("decentralized process management"))) or ("centralized wireless management"))*.