Perhaps you should try some spelling variations:
"demand management controls." » "demand management control.", "demand management contracts.", "demand management contract.", "land management controls.", "debt management controls."
"oxford management concepts." » "oxford management contracts.", "reform management concepts.", "records management concepts.", "fund management concepts."
"asset management reform." » "debt management reform."
"farm management review." » "bank management review.", "data management review.", "forest management review."
"firm management reports." » "fire management reports.", "care management reports.", "fishery management reports."
"city management reports." » "data management reports.", "case management reports.", "crop management reports."

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: (((("demand management controls.") OR ((((((("cash management reform.") OR ("asset management reform."))) OR ("farm management review."))) OR ((("firm management reports.") OR ("city management reports."))))))) OR ("oxford management concepts."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"demand management controls.\") or (((((((\"cash management reform.\") OR (\"asset management reform.\"))) or (\"farm management review.\"))) or (((\"firm management reports.\") or (\"city management reports.\"))))))) or (\"oxford management concepts.\"))~".
• Removing quotes may allow a broader search: (((( demand management controls. ) or ((((((( cash management reform. ) OR ( asset management reform. ))) or ( farm management review. ))) or ((( firm management reports. ) or ( city management reports. ))))))) or ( oxford management concepts. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("demand management controls.") or ((((((("cash management reform.") OR ("asset management reform."))) or ("farm management review."))) or ((("firm management reports.") or ("city management reports."))))))) or ("oxford management concepts."))*.