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

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

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