Perhaps you should try some spelling variations:
"flood management control." » "flood management contracts.", "land management control."
"fund management reviews." » "fund management review.", "fund management overview.", "fund management reports.", "land management reviews.", "demand management reviews."
"oxford management a." » "reform management a.", "records management a.", "road management a.", "oxford management _."
"oxford management data." » "reform management data.", "records management data.", "road management data.", "oxford management case."
"farm management water." » "farm management case.", "farm management based.", "farm management areas.", "cash management water.", "bank management water.", "data management water."

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("fund management reviews.") or ((((((("farm management water.") or ("oxford management a."))) or ("oxford management data."))) or ("flood management control."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("fund management reviews.") OR ((((((("farm management water.") OR ("oxford management a."))) OR ("oxford management data."))) OR ("flood management control.")))).
• Removing quotes may allow a broader search: (( fund management reviews. ) or ((((((( farm management water. ) or ( oxford management a. ))) or ( oxford management data. ))) or ( flood management control. )))).
• Adding a wildcard symbol may retrieve word variants: (("fund management reviews.") or ((((((("farm management water.") or ("oxford management a."))) or ("oxford management data."))) or ("flood management control."))))*.