Perhaps you should try some spelling variations:
"supply systems international efforts." » "supply states international efforts.", "supply systems integration efforts.", "supply costs international efforts.", "supply systems international airports.", "supply systems international energy.", "supply systems international airport."
"supply chain integration social." » "supply chain international social.", "supply trade integration social.", "supply data integration social.", "supply grid integration social."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply chain integration social.") OR ("supply systems international efforts."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"supply chain integration social.\") OR (\"supply systems international efforts.\"))".
• Removing quotes may allow a broader search: (( supply chain integration social. ) OR ( supply systems international efforts. )).
• Adding a wildcard symbol may retrieve word variants: (("supply chain integration social.") OR ("supply systems international efforts."))*.