Perhaps you should try some spelling variations:
"case management activity." » "case management activities.", "case management facility.", "case management authority.", "change management activity.", "basin management activity.", "bank management activity."
"cash management agency." » "cash management agencies.", "cash management science.", "cash management areas."
"case management entity." » "case management energy.", "case management quality.", "case management centers.", "change management entity.", "basin management entity.", "bank management entity."
"waste management case." » "waste management a."
"risk management data." » "risk management a."
"city management control." » "data management control.", "crop management control.", "security management control."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((((("debt management concepts.") or ((((("asset management _.") or ((("case management entity.") OR ("case management activity."))))) or ("city management control."))))) or ((((("waste management case.") or ("risk management data."))) or ("cash management agency."))))) or ("chain management contracts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("debt management concepts.") OR ((((("asset management _.") OR ((("case management entity.") OR ("case management activity."))))) OR ("city management control."))))) OR ((((("waste management case.") OR ("risk management data."))) OR ("cash management agency."))))) OR ("chain management contracts."))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"debt management concepts.\") or (((((\"asset management _.\") or (((\"case management entity.\") OR (\"case management activity.\"))))) or (\"city management control.\"))))) or (((((\"waste management case.\") or (\"risk management data.\"))) or (\"cash management agency.\"))))) or (\"chain management contracts.\"))*".
• Removing quotes may allow a broader search: (((((( debt management concepts. ) or ((((( asset management _. ) or ((( case management entity. ) OR ( case management activity. ))))) or ( city management control. ))))) or ((((( waste management case. ) or ( risk management data. ))) or ( cash management agency. ))))) or ( chain management contracts. ))*.