Perhaps you should try some spelling variations:
"land management readers." » "land management centers.", "land management reviews.", "land management reform."
"oxford management control." » "oxford management contracts.", "reform management control.", "records management control.", "fund management control."
"land management review." » "land management reform."

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 readers.") or ("land management review."))) or ("oxford management control."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("land management readers.") OR ("land management review."))) OR ("oxford management control."))*.
• Removing quotes may allow a broader search: (((( land management readers. ) or ( land management review. ))) or ( oxford management control. ))*.