Perhaps you should try some spelling variations:
"supply grid international efforts." » "supply grid international airports.", "supply grid international energy.", "supply grid international airport.", "supply 3rd international efforts.", "supply third international efforts.", "supply build international efforts.", "supply crowd international efforts.", "supply great international efforts.", "support grid international efforts."
"import duty integration volume." » "import duty integration von.", "import dutch integration volume.", "import data integration volume.", "import why integration volume.", "import duties integration volume."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply grid international efforts.") or ("import duty integration volume."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply grid international efforts.") OR ("import duty integration volume.")).
• Removing quotes may allow a broader search: (( supply grid international efforts. ) or ( import duty integration volume. )).
• Adding a wildcard symbol may retrieve word variants: (("supply grid international efforts.") or ("import duty integration volume."))*.