Perhaps you should try some spelling variations:
"oxford management concepts." » "oxford management contracts.", "reform management concepts.", "records management concepts.", "road management concepts."
"demand management controls." » "demand management control.", "demand management contracts.", "demand management contract.", "debt management controls."
"land management readers." » "land management centers.", "land management reviews.", "land management reports."
"oxford management review." » "reform management review.", "records management review.", "road management review."
"farm management reform." » "cash management reform.", "bank management reform.", "data management reform."

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: (((((("land management readers.") or ((((("oxford management review.") or ("fund management review."))) or ("flood management review."))))) or ((("oxford management concepts.") or ("demand management controls."))))) or ("farm management reform."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("land management readers.") OR ((((("oxford management review.") OR ("fund management review."))) OR ("flood management review."))))) OR ((("oxford management concepts.") OR ("demand management controls."))))) OR ("farm management reform.")).
• Removing quotes may allow a broader search: (((((( land management readers. ) or ((((( oxford management review. ) or ( fund management review. ))) or ( flood management review. ))))) or ((( oxford management concepts. ) or ( demand management controls. ))))) or ( farm management reform. )).
• Adding a wildcard symbol may retrieve word variants: (((((("land management readers.") or ((((("oxford management review.") or ("fund management review."))) or ("flood management review."))))) or ((("oxford management concepts.") or ("demand management controls."))))) or ("farm management reform."))*.