Perhaps you should try some spelling variations:
"land management controls." » "land management contracts.", "land management contract.", "land management tools.", "land management contractss."
"land management concepts." » "land management contracts."
"land management control." » "land management contracts."
"oxford management review." » "reform management review.", "records management review.", "fund management review."
"oxford management reform." » "reform management reform.", "records management reform.", "fund management reform."

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