Perhaps you should try some spelling variations:
"farm management centers." » "farm management concepts.", "farm management controls.", "farm management control.", "cash management centers.", "bank management centers.", "data management centers."
"reform management reports." » "reform management reform."
"firm management reports." » "firm management reform.", "fire management reports.", "city management reports.", "care management reports."

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("reform management reports.") or ("firm management reports."))) or ("farm management centers."))~.
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• Adding a wildcard symbol may retrieve word variants: (((("reform management reports.") or ("firm management reports."))) or ("farm management centers."))*.