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

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((((("data management readers.") or ("cash management readers."))) or ((("oxford management reports.") or ("oxford management reform."))))) or ("oxford management controls."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("data management readers.") OR ("cash management readers."))) OR ((("oxford management reports.") OR ("oxford management reform."))))) OR ("oxford management controls.")).
• Removing quotes may allow a broader search: (((((( data management readers. ) or ( cash management readers. ))) or ((( oxford management reports. ) or ( oxford management reform. ))))) or ( oxford management controls. )).
• Adding a wildcard symbol may retrieve word variants: (((((("data management readers.") or ("cash management readers."))) or ((("oxford management reports.") or ("oxford management reform."))))) or ("oxford management controls."))*.