Perhaps you should try some spelling variations:
"supply chain integration theories." » "supply chain integration theory.", "supply chain integration through.", "supply chain integration efforts.", "supply data integration theories.", "supply grid integration theories."
"Supply trade integration series." » "Supply trade integrating services.", "Supply trade integration schemes.", "Supply trade integration social."
supply trade » supply side, supply case

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 integration series.") OR ("supply chain integration theories."))~.
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• Removing quotes may allow a broader search: (( Supply trade integration series. ) OR ( supply chain integration theories. ))*.