Perhaps you should try some spelling variations:
"land management entity." » "land management energy.", "land management activity.", "land management quality."
"oxford management concepts." » "records management concepts.", "farm management concepts.", "road management concepts."
"oxford management water." » "records management water.", "farm management water.", "road management water.", "oxford management case.", "oxford management based.", "oxford management areas."
"reform management a." » "farm management a.", "firm management a.", "reform management _."
"fund management data." » "demand management data.", "fund 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: (("land management entity.") or ((((("oxford management concepts.") or ((("oxford management water.") or ((("fund management data.") or ("reform management a."))))))) or ("flood management contracts."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("land management entity.") OR ((((("oxford management concepts.") OR ((("oxford management water.") OR ((("fund management data.") OR ("reform management a."))))))) OR ("flood management contracts.")))).
• Removing quotes may allow a broader search: (( land management entity. ) or ((((( oxford management concepts. ) or ((( oxford management water. ) or ((( fund management data. ) or ( reform management a. ))))))) or ( flood management contracts. )))).
• Adding a wildcard symbol may retrieve word variants: (("land management entity.") or ((((("oxford management concepts.") or ((("oxford management water.") or ((("fund management data.") or ("reform management a."))))))) or ("flood management contracts."))))*.