Perhaps you should try some spelling variations:
"supply crowd international efforts." » "supply crowd international airports.", "supply crowd international energy.", "supply crowd international airport.", "supply from international efforts.", "supply how international efforts.", "supply new international efforts.", "supply growth international efforts.", "supply cost international efforts."
"supply chain integration volume." » "supply chain integration policy.", "supply trade integration volume.", "supply data integration volume.", "supply grid integration volume."

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: (("supply crowd international efforts.") OR ("supply chain integration volume."))~.
• Removing quotes may allow a broader search: (( supply crowd international efforts. ) or ( supply chain integration volume. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply crowd international efforts.") or ("supply chain integration volume."))*.