Perhaps you should try some spelling variations:
decentralized prozessmanagement » decentralized management
decentralized accessmanagement » decentralized management
decentralized biowaste » decentralized case, decentralized discrete, decentralized stochastic
centralized wireless » centric wireless
biowaste management » waste management, biomass management, radwaste management
wireless management » awareness management, witness management, wilderness management
mass management » bass management, miss management, masses management
mas management » emas management, das management, gas 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 ((mas management) OR (mass management)) ) OR ( decentralized biowaste management ))) OR ((( centralized wireless management ) OR ((( decentralized prozessmanagement _ ) OR ( decentralized accessmanagement _ )))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( decentralized ((mas management) OR (mass management)) ) or ( decentralized biowaste management ))) or ((( centralized wireless management ) or ((( decentralized prozessmanagement _ ) or ( decentralized accessmanagement _ ))))))".
• Adding a wildcard symbol may retrieve word variants: (((( decentralized ((mas management) OR (mass management)) ) or ( decentralized biowaste management ))) or ((( centralized wireless management ) or ((( decentralized prozessmanagement _ ) or ( decentralized accessmanagement _ ))))))*.