Perhaps you should try some spelling variations:
"land management controls." » "land management contracts.", "land management concepts.", "land management functions.", "land management contractss."
"oxford management contract." » "oxford management contracts.", "records management contract.", "fund management contract.", "flood management contract."
"farm management control." » "farm management contracts.", "cash management control.", "bank management control.", "data management control."
"reform management energy." » "firm management energy.", "reform management entity.", "reform management centers.", "reform management agency."
"oxford management tools." » "records management tools.", "fund management tools.", "flood management tools."

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: (((((("farm management control.") or ("land management controls."))) or ("reform management energy."))) or ((("oxford management tools.") or ("oxford management contract."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("farm management control.") OR ("land management controls."))) OR ("reform management energy."))) OR ((("oxford management tools.") OR ("oxford management contract.")))).
• Removing quotes may allow a broader search: (((((( farm management control. ) or ( land management controls. ))) or ( reform management energy. ))) or ((( oxford management tools. ) or ( oxford management contract. )))).
• Adding a wildcard symbol may retrieve word variants: (((((("farm management control.") or ("land management controls."))) or ("reform management energy."))) or ((("oxford management tools.") or ("oxford management contract."))))*.