Perhaps you should try some spelling variations:
"supply trade integration schemes." » "supply trade integration schengen.", "supply trade irrigation schemes.", "supply trade integration regimes.", "supply case integration schemes."
"support grid international cooperation." » "support 3rd international cooperation.", "support third international cooperation.", "support build international cooperation.", "support agri international cooperation.", "support grant international cooperation.", "support group international cooperation."

You may be able to get more results by adjusting your search query.

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