Perhaps you should try some spelling variations:
"land management reviews." » "land management overview.", "land management reforms.", "land management centers."
"oxford management contracts." » "reform management contracts.", "records management contracts.", "fund management contracts."
"flood management reports." » "fund management reports."
"data management reform." » "debt management reform.", "cash management reform.", "bank management reform."
"farm management concepts." » "cash management concepts.", "bank management concepts.", "forest 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: (((((((("land management reviews.") or ("land management review."))) or ("flood management reports."))) or ("data management reform."))) or ((("oxford management contracts.") or ("farm management concepts."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((((("land management reviews.") OR ("land management review."))) OR ("flood management reports."))) OR ("data management reform."))) OR ((("oxford management contracts.") OR ("farm management concepts."))))*.
• Removing quotes may allow a broader search: (((((((( land management reviews. ) or ( land management review. ))) or ( flood management reports. ))) or ( data management reform. ))) or ((( oxford management contracts. ) or ( farm management concepts. ))))*.