Perhaps you should try some spelling variations:
"support deep integration theories." » "support deep integration theory.", "support deep integration through.", "support deep integration efforts.", "support data integration theories.", "support _ integration theories.", "support grid integration theories.", "support does integration theories.", "support them integration theories."
"supply trade integration series." » "supply trade integrating services.", "supply trade integration schemes.", "supply trade integration social.", "supply side integration series.", "supply case 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 series.") or ("support deep integration theories."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply trade integration series.") OR ("support deep integration theories."))*.
• Removing quotes may allow a broader search: (( supply trade integration series. ) or ( support deep integration theories. ))*.