Perhaps you should try some spelling variations:
"supply chain international efforts." » "supply chain international airports.", "supply chain international energy.", "supply chain international airport.", "supply chains international efforts.", "supply main international efforts.", "supply can international efforts."
"supply de integration theory." » "supply de integration through.", "supply de information theory.", "supply de innovation theory.", "supply die integration theory.", "supply re integration theory.", "supply une integration theory.", "supply _ integration theory.", "supply a integration theory.", "supply 3 integration theory."

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

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