Perhaps you should try some spelling variations:
management controls » management tools, management concepts, management functions
management centers » management concepts, management water
management entity » management activity, management quality, management action
management energy » management agency
management based » management case, management board, management issues
farm management » cash management, bank management, data management
side management » case management, zone management, service management

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

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