Perhaps you should try some spelling variations:
"supply chain integration policies." » "supply chain immigration policies.", "supply chain international policies.", "supply chain migration policies."
"supply can integration theories." » "supply can integration theorems.", "supply can integrationstheorie 2.", "supply can integration theory.", "supply von integration theories.", "supply urban integration theories.", "supply asian integration theories.", "supply case integration theories.", "supply chai integration theories.", "supply a 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. ))*.