Perhaps you should try some spelling variations:
"support group international competitiveness." » "support from international competitiveness.", "support how international competitiveness.", "support do international competitiveness.", "support grant international competitiveness."
"supply trade integration schemes." » "supply trade irrigation schemes.", "supply trade integration some.", "supply trade integration theories.", "supply side integration schemes.", "supply case 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: (("support group international competitiveness.") or ("supply trade integration schemes."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support group international competitiveness.") OR ("supply trade integration schemes.")).
• Removing quotes may allow a broader search: (( support group international competitiveness. ) or ( supply trade integration schemes. )).
• Adding a wildcard symbol may retrieve word variants: (("support group international competitiveness.") or ("supply trade integration schemes."))*.