Perhaps you should try some spelling variations:
"supply trade integration theory." » "supply trade integration through.", "supply trade information theory.", "supply trade integration report.", "supply side integration theory.", "supply case integration theory."
"supply facto integration series." » "supply facto integration theories.", "supply facto integrating services.", "supply facto integration schemes.", "supply factor integration series.", "supply faculty integration series.", "supply sector integration series.", "supply factors integration series.", "supply data integration series."

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 theory.") or ("supply facto integration series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply trade integration theory.") OR ("supply facto integration series.")).
• Removing quotes may allow a broader search: (( supply trade integration theory. ) or ( supply facto integration series. )).
• Adding a wildcard symbol may retrieve word variants: (("supply trade integration theory.") or ("supply facto integration series."))*.