Perhaps you should try some spelling variations:
"waste management entity." » "waste management energy.", "waste management activity.", "waste management quality.", "debt management entity."
"demand management case." » "land management case.", "debt management case.", "demand management a."
"case management control." » "change management control.", "asset management control.", "chain management control."
"cash management practices." » "asset management practices."
"cash management contract." » "asset management contract."
"cash management concepts." » "asset management concepts."
"bank management contracts." » "basin management contracts.", "risk management contracts.", "change management contracts."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((((("waste management entity.") or ("case management control."))) or ((("demand management case.") or ((((("cash management practices.") or ("cash management contract."))) or ("cash management concepts."))))))) or ("bank management contracts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("waste management entity.") OR ("case management control."))) OR ((("demand management case.") OR ((((("cash management practices.") OR ("cash management contract."))) OR ("cash management concepts."))))))) OR ("bank management contracts.")).
• Removing quotes may allow a broader search: (((((( waste management entity. ) or ( case management control. ))) or ((( demand management case. ) or ((((( cash management practices. ) or ( cash management contract. ))) or ( cash management concepts. ))))))) or ( bank management contracts. )).
• Adding a wildcard symbol may retrieve word variants: (((((("waste management entity.") or ("case management control."))) or ((("demand management case.") or ((((("cash management practices.") or ("cash management contract."))) or ("cash management concepts."))))))) or ("bank management contracts."))*.