Perhaps you should try some spelling variations:
"supply chain international competition." » "supply chain international cooperation.", "supply chain international competitiveness.", "supply chain international comparisons.", "supply chains international competition.", "supply main international competition.", "supply can international competition."
"supply data integration theory." » "supply data integration through.", "supply data information theory.", "supply data innovation theory.", "supply data integrity 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 chain international competition.") or ("supply data integration theory."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply chain international competition.") OR ("supply data integration theory."))*.
• Removing quotes may allow a broader search: (( supply chain international competition. ) or ( supply data integration theory. ))*.