Perhaps you should try some spelling variations:
"supply systems international efforts." » "supply systems international airports.", "supply systems international energy.", "supply systems international airport.", "supply system international efforts.", "supply system internationaler efforts.", "supply states international efforts."
"supply chain international journal." » "supply chains international journal.", "supply main international journal.", "supply can international journal."

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 international journal.") or ("supply systems international efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply chain international journal.") OR ("supply systems international efforts.")).
• Removing quotes may allow a broader search: (( supply chain international journal. ) or ( supply systems international efforts. )).
• Adding a wildcard symbol may retrieve word variants: (("supply chain international journal.") or ("supply systems international efforts."))*.