Perhaps you should try some spelling variations:
"oxford management concepts." » "oxford management contracts.", "reform management concepts.", "records management concepts.", "fund management concepts."
"city management reviews." » "city management review.", "city management overview.", "city management reforms.", "cash management reviews.", "data management reviews.", "case management reviews."
"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."
"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 reviews.") 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 reviews.") OR ("fire management reports."))) OR ((((("oxford management concepts.") OR ("oxford management data."))) OR ((("demand management control.") OR ("debt management control.")))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"city management reviews.\") 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 reviews. ) 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 reviews.") or ("fire management reports."))) or ((((("oxford management concepts.") or ("oxford management data."))) or ((("demand management control.") OR ("debt management control."))))))*.