Perhaps you should try some spelling variations:
"bank management controls." » "bank management contracts.", "bank management contract.", "bank management tools.", "bank management contractss.", "basin management controls.", "risk management controls.", "cash management controls."
"flood management concepts." » "flood management contracts."
"land management control." » "land management contracts."
"oxford management review." » "records management review.", "road management review.", "fire management review."
"reform management a." » "firm management a.", "reform management _."
"demand management data." » "debt management data.", "demand management case."
"farm management a." » "cash management a.", "data management a.", "forest management a.", "farm management _."

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 ("fund management reform."))) OR ((((((("bank management controls.") OR ("land management control."))) OR ((((("reform management a.") OR ("farm management a."))) OR ("demand management data."))))) OR ("flood management concepts."))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"oxford management review.\") or (\"fund management reform.\"))) or (((((((\"bank management controls.\") or (\"land management control.\"))) or (((((\"reform management a.\") OR (\"farm management a.\"))) or (\"demand management data.\"))))) or (\"flood management concepts.\"))))~".
• Removing quotes may allow a broader search: (((( oxford management review. ) or ( fund management reform. ))) or ((((((( bank management controls. ) or ( land management control. ))) or ((((( reform management a. ) OR ( farm management a. ))) or ( demand management data. ))))) or ( flood management concepts. ))))~.
• Adding a wildcard symbol may retrieve word variants: (((("oxford management review.") or ("fund management reform."))) or ((((((("bank management controls.") or ("land management control."))) or ((((("reform management a.") OR ("farm management a."))) or ("demand management data."))))) or ("flood management concepts."))))*.