Perhaps you should try some spelling variations:
"oxford management controls." » "oxford management contracts.", "oxford management tools.", "oxford management functions.", "oxford management contractss.", "reform management controls.", "records management controls.", "flood management controls."
"land management concepts." » "land management contracts."
"demand management contract." » "demand management contracts.", "debt management contract."
"fund management centers." » "fund management water.", "fund management energy.", "fund management entity."
"demand management control." » "demand management contracts.", "debt management control."

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("fund management centers.") or ("land management concepts."))) or ((("oxford management controls.") or ((("demand management contract.") or ("demand management control."))))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("fund management centers.") OR ("land management concepts."))) OR ((("oxford management controls.") OR ((("demand management contract.") OR ("demand management control.")))))).
• Removing quotes may allow a broader search: (((( fund management centers. ) or ( land management concepts. ))) or ((( oxford management controls. ) or ((( demand management contract. ) or ( demand management control. )))))).
• Adding a wildcard symbol may retrieve word variants: (((("fund management centers.") or ("land management concepts."))) or ((("oxford management controls.") or ((("demand management contract.") or ("demand management control."))))))*.