Perhaps you should try some spelling variations:
management concepts » management contracts
management centers » management controls, management control, management water
management entity » management energy, management activity, management quality
firm management » farm management, fire management, care management
city management » cash management, data management, case management

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( oxford ((((management centers) or (management entity))) or (management concepts)). ) or ( ((firm management) or (city management)) controls. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( oxford ((((management centers) OR (management entity))) OR (management concepts)). ) OR ( ((firm management) OR (city management)) controls. )).
• Adding a wildcard symbol may retrieve word variants: (( oxford ((((management centers) or (management entity))) or (management concepts)). ) or ( ((firm management) or (city management)) controls. ))*.