Perhaps you should try some spelling variations:
"oxford management concepts." » "oxford management contracts.", "reform management concepts.", "records management concepts.", "fund management concepts."
"fire management reports." » "fire management reform.", "side management reports.", "case management reports.", "zone management reports."
"demand management control." » "demand management contracts.", "land management control."
"debt management control." » "debt management contracts."
"city management review." » "city management reform.", "cash management review.", "data management review.", "case management review."
"oxford management data." » "reform management data.", "records management data.", "fund management data.", "oxford management a.", "oxford management case."

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: (((("city management review.") or ("fire management reports."))) or ((((("oxford management concepts.") or ("oxford management data."))) or ((("demand management control.") or ("debt management control."))))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("city management review.") OR ("fire management reports."))) OR ((((("oxford management concepts.") OR ("oxford management data."))) OR ((("demand management control.") OR ("debt management control.")))))).
• Removing quotes may allow a broader search: (((( city management review. ) or ( fire management reports. ))) or ((((( oxford management concepts. ) or ( oxford management data. ))) or ((( demand management control. ) or ( debt management control. )))))).
• Adding a wildcard symbol may retrieve word variants: (((("city management review.") or ("fire management reports."))) or ((((("oxford management concepts.") or ("oxford management data."))) or ((("demand management control.") or ("debt management control."))))))*.