Perhaps you should try some spelling variations:
"land management concepts." » "land management contracts."
"city management readers." » "city management reviews.", "city management review.", "city management reforms.", "data management readers.", "case management readers.", "crop management readers."
"cash management centers." » "cash management controls.", "cash management water.", "cash management energy."
"cash management control." » "cash management contracts."
"oxford management reports." » "reform management reports.", "records management reports.", "fund management reports."
"basin management _." » "chain management _.", "business management _.", "crisis 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: (((("oxford management reports.") or ((((("city management readers.") or ((("asset management reform.") OR ("debt management reform."))))) or ((((("cash management centers.") or ("cash management control."))) or ("basin management _."))))))) or ("land management concepts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("oxford management reports.") OR ((((("city management readers.") OR ((("asset management reform.") OR ("debt management reform."))))) OR ((((("cash management centers.") OR ("cash management control."))) OR ("basin management _."))))))) OR ("land management concepts.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"oxford management reports.\") or (((((\"city management readers.\") or (((\"asset management reform.\") OR (\"debt management reform.\"))))) or (((((\"cash management centers.\") or (\"cash management control.\"))) or (\"basin management _.\"))))))) or (\"land management concepts.\"))".
• Removing quotes may allow a broader search: (((( oxford management reports. ) or ((((( city management readers. ) or ((( asset management reform. ) OR ( debt management reform. ))))) or ((((( cash management centers. ) or ( cash management control. ))) or ( basin management _. ))))))) or ( land management concepts. )).
• Adding a wildcard symbol may retrieve word variants: (((("oxford management reports.") or ((((("city management readers.") or ((("asset management reform.") OR ("debt management reform."))))) or ((((("cash management centers.") or ("cash management control."))) or ("basin management _."))))))) or ("land management concepts."))*.