Perhaps you should try some spelling variations:
"decentralized prozessmanagement _" » "decentralized management _"
"decentralized wireless management" » "centralised wireless management", "decentralized process management", "decentralized business management", "decentric wireless management", "decentralized awareness management", "decentralized wilderness management", "decentralized wireless measurement"
"decentralized witness management" » "decentralized business management", "decentralized water management", "decentralized process management", "decentralized fitness management", "decentralized wellness management", "decentralized sickness management"
"centralized wireless management" » "centric wireless management", "centralized awareness management", "centralized wilderness management", "centralized wireless measurement"
"decentralized crop management" » "decentralized cross management", "decentralized crone management", "decentralized droop 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 crop management") OR ((((((("decentralized witness management") OR ("decentralized wireless management"))) OR ("centralized wireless management"))) OR ("decentralized prozessmanagement _"))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"decentralized crop management\") or (((((((\"decentralized witness management\") OR (\"decentralized wireless management\"))) or (\"centralized wireless management\"))) or (\"decentralized prozessmanagement _\"))))*".
• Removing quotes may allow a broader search: (( decentralized crop management ) or ((((((( decentralized witness management ) OR ( decentralized wireless management ))) or ( centralized wireless management ))) or ( decentralized prozessmanagement _ ))))*.