Perhaps you should try some spelling variations:
"supply chain integrating policies." » "supply chain international policies.", "supply chain integrating countries.", "supply chain immigration policies.", "supply china integrating policies.", "supply shadow integrating policies.", "supply can integration policies."
"supply chain integration theories." » "supply chain integration theory.", "supply chain integration through.", "supply chain integration efforts.", "supply trade integration theories.", "supply data integration theories.", "supply grid integration theories."

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

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