Perhaps you should try some spelling variations:
"supply chain international cooperation." » "supply chains international cooperation.", "supply main international cooperation.", "supply can international cooperation."
"export trade integration schemes." » "export trade integration schengen.", "export trade irrigation schemes.", "export trade integration regimes.", "export taxes integration schemes.", "export base integration schemes.", "export tax integration schemes."

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