Perhaps you should try some spelling variations:
"demand management a." » "debt management a.", "demand management _."
"asset management water." » "debt management water.", "asset management case.", "asset management based.", "asset management areas."
"waste management contracts." » "debt management contracts."
"case management control." » "change management control.", "basin management control.", "bank management control."
"cash management fees." » "cash management fee.", "cash management areas.", "cash management five."
"land management data." » "land 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: (((((("chain management contract.") or ("case management control."))) or ((((((("cash management fees.") OR ("cash management from."))) or ((("land management data.") or ("demand management a."))))) or ("asset management water."))))) or ("waste management contracts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("chain management contract.") OR ("case management control."))) OR ((((((("cash management fees.") OR ("cash management from."))) OR ((("land management data.") OR ("demand management a."))))) OR ("asset management water."))))) OR ("waste management contracts."))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"chain management contract.\") or (\"case management control.\"))) or (((((((\"cash management fees.\") OR (\"cash management from.\"))) or (((\"land management data.\") or (\"demand management a.\"))))) or (\"asset management water.\"))))) or (\"waste management contracts.\"))*".
• Removing quotes may allow a broader search: (((((( chain management contract. ) or ( case management control. ))) or ((((((( cash management fees. ) OR ( cash management from. ))) or ((( land management data. ) or ( demand management a. ))))) or ( asset management water. ))))) or ( waste management contracts. ))*.