Perhaps you should try some spelling variations:
"supply chain integrating policies." » "supply chain international policies.", "supply chain integrating countries.", "supply chain immigration policies.", "supply chain integration policies.", "supply china integrating policies.", "supply shadow integrating policies."
"supply grid integration theories." » "supply grid integration theory.", "supply grid integration through.", "supply grid integration efforts.", "supply trade integration theories.", "supply _ integration theories.", "supply data integration theories.", "supply crowd integration theories.", "support 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 grid integration theories."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply chain integrating policies.") OR ("supply grid integration theories."))*.
• Removing quotes may allow a broader search: (( supply chain integrating policies. ) or ( supply grid integration theories. ))*.