Perhaps you should try some spelling variations:
"supply chain integration policies." » "supply chain immigration policies.", "supply chain international policies.", "supply chain migration policies.", "supply trade integration policies.", "supply data integration policies.", "supply grid integration policies."
"supply can integration theories." » "supply can integration theory.", "supply can integration through.", "supply can integration efforts.", "supply care integration theories.", "supply urban integration theories.", "supply asian integration theories.", "supply case integration theories.", "supply a integration theories.", "supply gap 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 integration policies.") OR ("supply can integration theories."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"supply chain integration policies.\") OR (\"supply can integration theories.\"))".
• Removing quotes may allow a broader search: (( supply chain integration policies. ) OR ( supply can integration theories. )).
• Adding a wildcard symbol may retrieve word variants: (("supply chain integration policies.") OR ("supply can integration theories."))*.