Perhaps you should try some spelling variations:
"farm management controls." » "farm management control.", "farm management tools.", "farm management functions.", "cash management controls.", "bank management controls.", "data management controls."
"chain management contracts." » "chain management controls.", "cash management contracts."
"oxford management contract." » "oxford management control.", "reform management contract.", "records management contract.", "fund management contract."
"flood management a." » "fund management a.", "flood management _."
"farm management water." » "farm management based.", "farm management areas.", "farm management work.", "cash management water.", "bank management water.", "data management water."
"firm management concepts." » "fire management concepts.", "city management concepts.", "care management concepts."
"farm management case." » "cash management case.", "bank management case.", "data management case."

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: (((((("chain management contracts.") or ((("land management data.") or ("flood management a."))))) or ((("firm management concepts.") or ((("farm management controls.") or ((("farm management water.") OR ("farm management case."))))))))) or ("oxford management contract."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("chain management contracts.") OR ((("land management data.") OR ("flood management a."))))) OR ((("firm management concepts.") OR ((("farm management controls.") OR ((("farm management water.") OR ("farm management case."))))))))) OR ("oxford management contract.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"chain management contracts.\") or (((\"land management data.\") or (\"flood management a.\"))))) or (((\"firm management concepts.\") or (((\"farm management controls.\") or (((\"farm management water.\") OR (\"farm management case.\"))))))))) or (\"oxford management contract.\"))".
• Removing quotes may allow a broader search: (((((( chain management contracts. ) or ((( land management data. ) or ( flood management a. ))))) or ((( firm management concepts. ) or ((( farm management controls. ) or ((( farm management water. ) OR ( farm management case. ))))))))) or ( oxford management contract. )).
• Adding a wildcard symbol may retrieve word variants: (((((("chain management contracts.") or ((("land management data.") or ("flood management a."))))) or ((("firm management concepts.") or ((("farm management controls.") or ((("farm management water.") OR ("farm management case."))))))))) or ("oxford management contract."))*.