Perhaps you should try some spelling variations:
"city management contractss." » "city management contracts.", "city management contractors.", "city management contract.", "cash management contractss.", "data management contractss.", "crop management contractss."
"fund management oversight." » "fund management government.", "land management oversight."
"demand management oversight." » "demand management government.", "land management oversight.", "debt management oversight."
"bank management control." » "bank management contracts.", "basin management control.", "risk management control.", "cash management control."
"reform management case." » "farm management case.", "firm management case."
"case management a." » "cash management a.", "waste management a.", "change management a.", "case management _."

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("fund management oversight.") OR ("demand management oversight."))) OR ((("reform management case.") OR ((((("city management contractss.") OR ("case management a."))) OR ("bank management control."))))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"fund management oversight.\") OR (\"demand management oversight.\"))) or (((\"reform management case.\") or (((((\"city management contractss.\") or (\"case management a.\"))) or (\"bank management control.\"))))))~".
• Removing quotes may allow a broader search: (((( fund management oversight. ) OR ( demand management oversight. ))) or ((( reform management case. ) or ((((( city management contractss. ) or ( case management a. ))) or ( bank management control. ))))))~.
• Adding a wildcard symbol may retrieve word variants: (((("fund management oversight.") OR ("demand management oversight."))) or ((("reform management case.") or ((((("city management contractss.") or ("case management a."))) or ("bank management control."))))))*.