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 asian integration report." » "supply asian integration efforts.", "supply asian innovation report.", "supply asian integration theory.", "supply urban integration report.", "supply american integration report.", "supply spatial integration report.", "supply side integration report.", "supply asset integration report."

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

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