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 competitiveness." » "support 3rd international competitiveness.", "support third international competitiveness.", "support build international competitiveness.", "support agri international competitiveness.", "support grant international competitiveness.", "support group international competitiveness."

Try widening your search to All Fields.

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