Perhaps you should try some spelling variations:
"flood management controls." » "flood management control.", "flood management contract.", "flood management tools.", "land management controls.", "fund management controls."
"oxford management review." » "records management review.", "fund management review.", "farm management review."
"data management energy." » "data management centers.", "data management agency.", "debt management energy.", "cash management energy.", "bank management energy."
"data management entity." » "data management activity.", "data management quality.", "data management centers.", "debt management entity.", "cash management entity.", "bank management entity."
"reform management contracts." » "farm management contracts."
"firm management reform." » "farm management reform.", "fire management reform.", "city 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: (((("oxford management review.") or ("firm management reform."))) or ((((("flood management controls.") or ((("data management energy.") OR ("data management entity."))))) or ("reform management contracts."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("oxford management review.") OR ("firm management reform."))) OR ((((("flood management controls.") OR ((("data management energy.") OR ("data management entity."))))) OR ("reform management contracts.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"oxford management review.\") or (\"firm management reform.\"))) or (((((\"flood management controls.\") or (((\"data management energy.\") OR (\"data management entity.\"))))) or (\"reform management contracts.\"))))".
• Removing quotes may allow a broader search: (((( oxford management review. ) or ( firm management reform. ))) or ((((( flood management controls. ) or ((( data management energy. ) OR ( data management entity. ))))) or ( reform management contracts. )))).
• Adding a wildcard symbol may retrieve word variants: (((("oxford management review.") or ("firm management reform."))) or ((((("flood management controls.") or ((("data management energy.") OR ("data management entity."))))) or ("reform management contracts."))))*.