Perhaps you should try some spelling variations:
"supply trade integration schemes." » "supply trade irrigation schemes.", "supply trade integration some.", "supply trade integration theories.", "supply side integration schemes.", "supply case integration schemes."
"supply chains integrated policy." » "supply chains integration policy.", "supply chains integrated solid.", "supply chains internet policy.", "supply china integrated policy.", "supply gain integrated policy.", "supply chain integration policy.", "supply chain integrated policy."

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 integrated policy.") or ("supply trade integration schemes."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply chains integrated policy.") OR ("supply trade integration schemes.")).
• Removing quotes may allow a broader search: (( supply chains integrated policy. ) or ( supply trade integration schemes. )).
• Adding a wildcard symbol may retrieve word variants: (("supply chains integrated policy.") or ("supply trade integration schemes."))*.