Perhaps you should try some spelling variations:
"cash management activity." » "cash management facility.", "cash management authority.", "cash management action.", "asset management activity."
"waste management centers." » "waste management controls.", "waste management water.", "waste management energy."
"debt management centers." » "debt management controls.", "debt management water.", "debt management energy."
"demand management control." » "land management control."
"demand management data." » "land management data.", "demand management a.", "demand management case."
"case management activities." » "change management activities.", "asset management activities.", "basin management activities."
"bank management concepts." » "basin management concepts.", "risk management concepts.", "change management concepts."

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

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