Perhaps you should try some spelling variations:
"data management controls." » "data management control.", "data management contract.", "data management tools.", "debt management controls.", "cash management controls.", "bank management controls."
"reform management centers." » "reform management concepts.", "reform management control.", "reform management energy.", "farm management centers.", "firm management centers."
"demand management based." » "debt management based.", "demand management case.", "demand management board.", "demand management a."
"land management issues." » "land management case."
"oxford management contracts." » "records management contracts.", "farm management contracts.", "road management contracts."
"flood management water." » "flood management case.", "flood management data.", "flood management a."
"fund management based." » "fund management case.", "fund management board.", "fund management a."

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 controls.") or ((("flood management water.") or ((((("fund management based.") OR ("demand management based."))) or ("land management issues."))))))) or ("reform management centers."))) or ("oxford management contracts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("data management controls.") OR ((("flood management water.") OR ((((("fund management based.") OR ("demand management based."))) OR ("land management issues."))))))) OR ("reform management centers."))) OR ("oxford management contracts.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"data management controls.\") or (((\"flood management water.\") or (((((\"fund management based.\") OR (\"demand management based.\"))) or (\"land management issues.\"))))))) or (\"reform management centers.\"))) or (\"oxford management contracts.\"))".
• Removing quotes may allow a broader search: (((((( data management controls. ) or ((( flood management water. ) or ((((( fund management based. ) OR ( demand management based. ))) or ( land management issues. ))))))) or ( reform management centers. ))) or ( oxford management contracts. )).
• Adding a wildcard symbol may retrieve word variants: (((((("data management controls.") or ((("flood management water.") or ((((("fund management based.") OR ("demand management based."))) or ("land management issues."))))))) or ("reform management centers."))) or ("oxford management contracts."))*.