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

Try widening your search to All Fields.

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