Perhaps you should try some spelling variations:
"data management functions." » "data management operations.", "data management practices.", "data management education.", "debt management functions.", "cash management functions.", "demand management functions."
"oxford management tools." » "reform management tools.", "records management tools.", "farm management tools."
"flood management case." » "land management case."
"bank management contracts." » "basin management contracts.", "risk management contracts.", "cash management contracts."
"fund management a." » "land management a.", "demand management a.", "fund management _."
"city management concepts." » "cash management concepts.", "case management concepts.", "crop management concepts."

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("bank management contracts.") OR ((("fund management a.") OR ("flood management case."))))) OR ((("city management concepts.") OR ("data management functions."))))) OR ("oxford management tools."))~.
• Removing quotes may allow a broader search: (((((( bank management contracts. ) or ((( fund management a. ) or ( flood management case. ))))) or ((( city management concepts. ) or ( data management functions. ))))) or ( oxford management tools. ))~.
• Adding a wildcard symbol may retrieve word variants: (((((("bank management contracts.") or ((("fund management a.") or ("flood management case."))))) or ((("city management concepts.") or ("data management functions."))))) or ("oxford management tools."))*.