Perhaps you should try some spelling variations:
management functions » management operations, management practices, management education
management centers » management controls, management water, management energy
management entity » management energy, management activity, management quality
case management » cash management, waste management, change management
management a » management _

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((((( data ((management control) OR (management contracts)). ) or ( land ((management case) or (management a)). ))) or ((( case ((management centers) or (management entity)). ) or ( case management concepts. ))))) or ( reform ((management functions) or (management contract)). ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((( data ((management control) OR (management contracts)). ) OR ( land ((management case) OR (management a)). ))) OR ((( case ((management centers) OR (management entity)). ) OR ( case management concepts. ))))) OR ( reform ((management functions) OR (management contract)). )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((( data ((management control) OR (management contracts)). ) or ( land ((management case) or (management a)). ))) or ((( case ((management centers) or (management entity)). ) or ( case management concepts. ))))) or ( reform ((management functions) or (management contract)). ))".
• Adding a wildcard symbol may retrieve word variants: (((((( data ((management control) OR (management contracts)). ) or ( land ((management case) or (management a)). ))) or ((( case ((management centers) or (management entity)). ) or ( case management concepts. ))))) or ( reform ((management functions) or (management contract)). ))*.