Perhaps you should try some spelling variations:
"land management concepts." » "land management contracts."
"crop management control." » "crop management contracts.", "crisis management control.", "flood management control."
"basin management case." » "business management case.", "crisis management case.", "asset management case."
"case management data." » "waste management data.", "change management data.", "asset management data."
"data management case." » "bank management case.", "demand management case."
"cash management tools." » "asset management tools."
"chain management a." » "chain management _."

Try widening your search to All Fields.

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 data.") or ("crop management control."))) or ((((("chain management a.") or ((("debt management issues.") or ((("data management case.") OR ("basin management case."))))))) or ("cash management tools."))))) or ("land management concepts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("case management data.") OR ("crop management control."))) OR ((((("chain management a.") OR ((("debt management issues.") OR ((("data management case.") OR ("basin management case."))))))) OR ("cash management tools."))))) OR ("land management concepts.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"case management data.\") or (\"crop management control.\"))) or (((((\"chain management a.\") or (((\"debt management issues.\") or (((\"data management case.\") OR (\"basin management case.\"))))))) or (\"cash management tools.\"))))) or (\"land management concepts.\"))".
• Removing quotes may allow a broader search: (((((( case management data. ) or ( crop management control. ))) or ((((( chain management a. ) or ((( debt management issues. ) or ((( data management case. ) OR ( basin management case. ))))))) or ( cash management tools. ))))) or ( land management concepts. )).
• Adding a wildcard symbol may retrieve word variants: (((((("case management data.") or ("crop management control."))) or ((((("chain management a.") or ((("debt management issues.") or ((("data management case.") OR ("basin management case."))))))) or ("cash management tools."))))) or ("land management concepts."))*.