Perhaps you should try some spelling variations:
"support urban integration through." » "support urban innovation through.", "support european integration through.", "support global integration through.", "support trade integration through.", "support carbon integration through.", "support grant integration through.", "report urban integration through."
"import duty integration efforts." » "import duty international efforts.", "import duty conservation efforts.", "import data integration efforts.", "import south integration efforts.", "import deep integration efforts.", "import duties integration efforts."

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: (("import duty integration efforts.") OR ("support urban integration through."))~.
• Removing quotes may allow a broader search: (( import duty integration efforts. ) or ( support urban integration through. ))~.
• Adding a wildcard symbol may retrieve word variants: (("import duty integration efforts.") or ("support urban integration through."))*.