Perhaps you should try some spelling variations:
"reform management readers." » "reform management centers.", "reform management reform.", "reform management reforms.", "farm management readers.", "firm management readers."
"city management reviews." » "city management overview.", "city management reforms.", "city management centers.", "cash management reviews.", "data management reviews.", "crop management reviews."
"case management reports." » "case management reform.", "cash management reports.", "waste management reports.", "change management reports."
"oxford management control." » "oxford management contracts.", "records management control.", "fund management control.", "flood management control."
"city management review." » "city management reform.", "cash management review.", "data management review.", "crop management review."

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("reform management readers.") or ((((("city management reviews.") OR ("city management review."))) or ("case management reports."))))) or ("oxford management control."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("reform management readers.") OR ((((("city management reviews.") OR ("city management review."))) OR ("case management reports."))))) OR ("oxford management control.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"reform management readers.\") or (((((\"city management reviews.\") OR (\"city management review.\"))) or (\"case management reports.\"))))) or (\"oxford management control.\"))".
• Removing quotes may allow a broader search: (((( reform management readers. ) or ((((( city management reviews. ) OR ( city management review. ))) or ( case management reports. ))))) or ( oxford management control. )).
• Adding a wildcard symbol may retrieve word variants: (((("reform management readers.") or ((((("city management reviews.") OR ("city management review."))) or ("case management reports."))))) or ("oxford management control."))*.