Perhaps you should try some spelling variations:
"oxford management concepts." » "oxford management contracts.", "records management concepts.", "flood management concepts.", "farm management concepts."
"fund management concepts." » "fund management contracts.", "land management concepts.", "demand management concepts."
"oxford management controls." » "oxford management control.", "oxford management contracts.", "oxford management contract.", "records management controls.", "flood management controls.", "farm management controls."
"reform management controls." » "reform management control.", "reform management contracts.", "reform management contract.", "farm management controls.", "firm management controls."

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