Perhaps you should try some spelling variations:
"reform management concepts." » "reform management contracts.", "farm management concepts.", "firm management concepts."
"city management control." » "city management contracts.", "data management control.", "case management control.", "crop management control."
"cash management water." » "cash management based.", "cash management a.", "cash management areas.", "asset management water."
"bank management case." » "basin management case.", "risk management case.", "demand management case.", "bank management a."
"bank management data." » "basin management data.", "risk management data.", "demand management data.", "bank management a."

Try widening your search to All Fields.

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