Perhaps you should try some spelling variations:
"supply assets integrating services." » "supply assets integrated services.", "supply assets testing services.", "supply assets integrating policies.", "supply market integrating services.", "supply costs integrating services."
"supply vertical integration theories." » "supply regional integration theories.", "supply vertical integration theory.", "supply vertical integration through.", "supply vertical integration efforts."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply assets integrating services.") or ("supply vertical integration theories."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply assets integrating services.") OR ("supply vertical integration theories."))*.
• Removing quotes may allow a broader search: (( supply assets integrating services. ) or ( supply vertical integration theories. ))*.