Perhaps you should try some spelling variations:
"Supply trade international efforts." » "Supply trade international airports.", "Supply trade international energy.", "Supply trade international airport.", "Supply care international efforts.", "Supply time international efforts.", "Supply private international efforts."
"supply chain integration theory." » "supply chain integration through.", "supply chain information theory.", "supply chain innovation theory."
supply trade » supply case

Try widening your search to All Fields.

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

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