Perhaps you should try some spelling variations:
"oxford management controls." » "oxford management contract.", "oxford management functions.", "oxford management protocols.", "records management controls.", "flood management controls.", "farm management controls."
"land management controls." » "land management contract.", "land management functions.", "land management protocols."
"oxford management control." » "records management control.", "flood management control.", "farm management control."
"demand management tools." » "debt management tools."
"reform management concepts." » "farm management concepts.", "firm management concepts."

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 controls.") or ("land management controls."))) or ("oxford management control."))) or ((("fund management contracts.") or ("demand management tools."))))) or ("reform management concepts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((((("oxford management controls.") OR ("land management controls."))) OR ("oxford management control."))) OR ((("fund management contracts.") OR ("demand management tools."))))) OR ("reform management concepts.")).
• Removing quotes may allow a broader search: (((((((( oxford management controls. ) or ( land management controls. ))) or ( oxford management control. ))) or ((( fund management contracts. ) or ( demand management tools. ))))) or ( reform management concepts. )).
• Adding a wildcard symbol may retrieve word variants: (((((((("oxford management controls.") or ("land management controls."))) or ("oxford management control."))) or ((("fund management contracts.") or ("demand management tools."))))) or ("reform management concepts."))*.