Perhaps you should try some spelling variations:
"basin management case." » "business management case.", "crisis management case."
"debt management _reas." » "debt management areas.", "debt management area.", "debt management fees."
"case management work." » "case management network.", "case management board.", "case management framework.", "waste management work.", "change management work.", "bank management work."
"data management case." » "bank management case."
"demand management how." » "demand management from.", "demand management _."
"chain management a." » "chain management _."

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 _reas.") or ("case management work."))) or ((((("chain management a.") or ((("demand management how.") or ((("data management case.") or ("basin management case."))))))) or ((("cash management contracts.") OR ("asset management contracts."))))))) or ("land management concepts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("debt management _reas.") OR ("case management work."))) OR ((((("chain management a.") OR ((("demand management how.") OR ((("data management case.") OR ("basin management case."))))))) OR ((("cash management contracts.") OR ("asset management contracts."))))))) OR ("land management concepts."))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"debt management _reas.\") or (\"case management work.\"))) or (((((\"chain management a.\") or (((\"demand management how.\") or (((\"data management case.\") or (\"basin management case.\"))))))) or (((\"cash management contracts.\") OR (\"asset management contracts.\"))))))) or (\"land management concepts.\"))*".
• Removing quotes may allow a broader search: (((((( debt management _reas. ) or ( case management work. ))) or ((((( chain management a. ) or ((( demand management how. ) or ((( data management case. ) or ( basin management case. ))))))) or ((( cash management contracts. ) OR ( asset management contracts. ))))))) or ( land management concepts. ))*.