Perhaps you should try some spelling variations:
"city management authority." » "city management quality.", "data management authority.", "crop management authority.", "security management authority."
"reform management concepts." » "reform management contracts."
"cash management controls." » "cash management control.", "cash management contracts.", "cash management contract.", "asset management controls."
"city management activity." » "city management activities.", "city management facility.", "city management action.", "data management activity.", "crop management activity.", "security management activity."
"farm management centers." » "farm management control.", "farm management water.", "farm management contracts.", "bank management centers.", "data management centers.", "forest management centers."
"case management entity." » "case management quality.", "case management action.", "waste management entity.", "change management entity.", "asset management entity."
"farm management energy." » "farm management agency.", "bank management energy.", "data management energy.", "forest management energy."
"firm management data." » "fire management data.", "care management data.", "fishery management data.", "firm management a.", "firm management case."

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: (((("firm management data.") OR ((((("case management entity.") OR ((("city management activity.") OR ("city management authority."))))) OR ((((("farm management centers.") OR ("farm management energy."))) OR ("cash management controls."))))))) OR ("reform management concepts."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"firm management data.\") or (((((\"case management entity.\") or (((\"city management activity.\") OR (\"city management authority.\"))))) or (((((\"farm management centers.\") or (\"farm management energy.\"))) or (\"cash management controls.\"))))))) or (\"reform management concepts.\"))~".
• Removing quotes may allow a broader search: (((( firm management data. ) or ((((( case management entity. ) or ((( city management activity. ) OR ( city management authority. ))))) or ((((( farm management centers. ) or ( farm management energy. ))) or ( cash management controls. ))))))) or ( reform management concepts. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("firm management data.") or ((((("case management entity.") or ((("city management activity.") OR ("city management authority."))))) or ((((("farm management centers.") or ("farm management energy."))) or ("cash management controls."))))))) or ("reform management concepts."))*.