Perhaps you should try some spelling variations:
"supply data integration theories." » "supply data integration theory.", "supply data integration through.", "supply data integration efforts.", "supply trade integration theories.", "supply _ integration theories.", "supply data integrity theories.", "supply water integration theories."
"support firms integration social." » "support firms international social.", "support fare integration social.", "support fiscal integration social.", "supporting firms integration social.", "support from integration social.", "support falls 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 data integration theories.") or ("support firms integration social."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply data integration theories.") OR ("support firms integration social.")).
• Removing quotes may allow a broader search: (( supply data integration theories. ) or ( support firms integration social. )).
• Adding a wildcard symbol may retrieve word variants: (("supply data integration theories.") or ("support firms integration social."))*.