Perhaps you should try some spelling variations:
"supply vertical integration theories." » "supply regional integration theories.", "supply vertical integration theory.", "supply vertical integration through.", "supply vertical integration efforts."
"supply asset integration series." » "supply asset integrating services.", "supply asset integration schemes.", "supply asset integration social.", "supply market integration series.", "supply asian integration series.", "supply asean integration series.", "supply assets integration series.", "supply aspect 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 asset integration series.") or ("supply vertical integration theories."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply asset integration series.") OR ("supply vertical integration theories.")).
• Removing quotes may allow a broader search: (( supply asset integration series. ) or ( supply vertical integration theories. )).
• Adding a wildcard symbol may retrieve word variants: (("supply asset integration series.") or ("supply vertical integration theories."))*.