Perhaps you should try some spelling variations:
"reform management control." » "farm management control."
"reform management concepts." » "farm management concepts."
"cash management control." » "asset management control."
"firm management contracts." » "farm management contracts.", "fire management contracts.", "care management contracts."
"city management contracts." » "data management contracts.", "case management contracts.", "crop management contracts."

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: (((((("reform management control.") or ("cash management control."))) or ((("firm management contracts.") or ("city management contracts."))))) or ("reform management concepts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("reform management control.") OR ("cash management control."))) OR ((("firm management contracts.") OR ("city management contracts."))))) OR ("reform management concepts.")).
• Removing quotes may allow a broader search: (((((( reform management control. ) or ( cash management control. ))) or ((( firm management contracts. ) or ( city management contracts. ))))) or ( reform management concepts. )).
• Adding a wildcard symbol may retrieve word variants: (((((("reform management control.") or ("cash management control."))) or ((("firm management contracts.") or ("city management contracts."))))) or ("reform management concepts."))*.