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

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