Perhaps you should try some spelling variations:
"supply chains integration policies." » "supply chains immigration policies.", "supply chains international policies.", "supply chains migration policies.", "supply chain integration policies.", "supply china's integration policies.", "supply channel integration policies."
"supply crowd integration theory." » "supply crowd integration through.", "supply crowd information theory.", "supply crowd innovation theory.", "supply grid integration theory.", "supply rfid integration theory.", "supply beyond integration theory.", "supply growth integration theory.", "supply cost integration theory.", "supply from integration theory."

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

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