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

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: (((("oxford management review.") OR ("reform management reform."))) OR ((((("fund management based.") OR ("demand management controls."))) OR ("land management centers."))))~.
• Removing quotes may allow a broader search: (((( oxford management review. ) or ( reform management reform. ))) or ((((( fund management based. ) or ( demand management controls. ))) or ( land management centers. ))))~.
• Adding a wildcard symbol may retrieve word variants: (((("oxford management review.") or ("reform management reform."))) or ((((("fund management based.") or ("demand management controls."))) or ("land management centers."))))*.