Perhaps you should try some spelling variations:
"supply chain integration theories." » "supply chain integration theory.", "supply chain integration through.", "supply chain integration efforts.", "supply trade integration theories.", "supply data integration theories.", "supply grid integration theories."
"supply crowd integration social." » "supply crowd international social.", "supply grid integration social.", "supply trade integration social.", "supply urban integration social.", "supply growth integration social.", "supply cost integration social.", "supply how integration social."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply crowd integration social.") OR ("supply chain integration theories."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"supply crowd integration social.\") OR (\"supply chain integration theories.\"))*".
• Removing quotes may allow a broader search: (( supply crowd integration social. ) OR ( supply chain integration theories. ))*.