Perhaps you should try some spelling variations:
"reform management contractss." » "reform management contracts.", "reform management contractors.", "reform management contract.", "farm management contractss."
"bank management control." » "bank management contracts.", "basin management control.", "risk management control.", "cash management control."
"land management entity." » "land management energy.", "land management activity.", "land management quality."
"city management water." » "city management case.", "city management data.", "city management based.", "cash management water.", "data management water.", "case management water."
"firm management a." » "farm management a.", "fire management a.", "care management a."
"firm management _." » "farm management _.", "fire management _.", "care 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: (((((("bank management control.") OR ("land management entity."))) OR ((("city management water.") OR ((("firm management a.") OR ("firm management _."))))))) OR ("reform management contractss."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"bank management control.\") or (\"land management entity.\"))) or (((\"city management water.\") or (((\"firm management a.\") OR (\"firm management _.\"))))))) or (\"reform management contractss.\"))~".
• Removing quotes may allow a broader search: (((((( bank management control. ) or ( land management entity. ))) or ((( city management water. ) or ((( firm management a. ) OR ( firm management _. ))))))) or ( reform management contractss. ))~.
• Adding a wildcard symbol may retrieve word variants: (((((("bank management control.") or ("land management entity."))) or ((("city management water.") or ((("firm management a.") OR ("firm management _."))))))) or ("reform management contractss."))*.