Perhaps you should try some spelling variations:
"case management controls." » "case management control.", "case management contract.", "case management tools.", "cash management controls.", "waste management controls.", "change management controls."
"city management centers." » "city management control.", "city management water.", "city management energy.", "cash management centers.", "data management centers.", "crop management centers."
"flood management contracts." » "fund management contracts."
"farm management reform." » "cash management reform.", "bank management reform.", "data management reform."
"land management data." » "land management a.", "land management case."
"firm management concepts." » "fire management concepts.", "care management concepts.", "fishery management concepts."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("farm management reform.") or ((((((("city management centers.") or ("case management controls."))) or ("land management data."))) or ((("flood management contracts.") or ("firm management concepts."))))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("farm management reform.") OR ((((((("city management centers.") OR ("case management controls."))) OR ("land management data."))) OR ((("flood management contracts.") OR ("firm management concepts."))))))*.
• Removing quotes may allow a broader search: (( farm management reform. ) or ((((((( city management centers. ) or ( case management controls. ))) or ( land management data. ))) or ((( flood management contracts. ) or ( firm management concepts. ))))))*.