Perhaps you should try some spelling variations:
"risk management control." » "risk management contracts."
"basin management control." » "basin management contracts.", "cash management control.", "chain management control.", "business management control."
"flood management energy." » "flood management entity.", "flood management centers.", "flood management agency.", "land management energy.", "fund management energy."
"reform management tools." » "farm management tools."
"asset management case." » "debt management case."
"firm management a." » "farm management a.", "fire management a.", "city management a.", "firm management _."

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((((((("risk management control.") OR ("basin management control."))) OR ("flood management energy."))) OR ((("firm management a.") OR ("asset management case."))))) OR ("reform management tools."))~.
• Removing quotes may allow a broader search: (((((((( risk management control. ) or ( basin management control. ))) or ( flood management energy. ))) or ((( firm management a. ) or ( asset management case. ))))) or ( reform management tools. ))~.
• Adding a wildcard symbol may retrieve word variants: (((((((("risk management control.") or ("basin management control."))) or ("flood management energy."))) or ((("firm management a.") or ("asset management case."))))) or ("reform management tools."))*.