Perhaps you should try some spelling variations:
"firm management controls." » "firm management control.", "firm management contract.", "firm management tools.", "farm management controls.", "fire management controls.", "city management controls."
"land management reviews." » "land management overview.", "land management reports.", "land management reforms."
"fund management review." » "fund management reform.", "demand management review."
"oxford management contracts." » "reform management contracts.", "records management contracts.", "flood management contracts."

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