Perhaps you should try some spelling variations:
"farm management controls." » "farm management contract.", "farm management tools.", "farm management functions.", "cash management controls.", "bank management controls.", "data management controls."
"oxford management concepts." » "reform management concepts.", "records management concepts.", "fund management concepts."
"oxford management contracts." » "reform management contracts.", "records management contracts.", "fund management contracts."
"oxford management control." » "reform management control.", "records management control.", "fund management control."

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 concepts.") OR ((((("oxford management contracts.") OR ("oxford management control."))) OR ("farm management controls."))))~.
• Removing quotes may allow a broader search: (( oxford management concepts. ) or ((((( oxford management contracts. ) or ( oxford management control. ))) or ( farm management controls. ))))~.
• Adding a wildcard symbol may retrieve word variants: (("oxford management concepts.") or ((((("oxford management contracts.") or ("oxford management control."))) or ("farm management controls."))))*.