Perhaps you should try some spelling variations:
"supply farm integration theories." » "supply farm integration theory.", "supply farm integration through.", "supply farm integration efforts.", "supply fare integration theories.", "supply firms integration theories.", "supply care integration theories."
"support social integration schemes." » "support social irrigation schemes.", "support social integration some.", "support global integration schemes.", "support financial integration schemes.", "support regional integration schemes.", "supporting social integration schemes.", "supply social integration schemes."

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 farm integration theories.") OR ("support social integration schemes."))~.
• Removing quotes may allow a broader search: (( supply farm integration theories. ) or ( support social integration schemes. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply farm integration theories.") or ("support social integration schemes."))*.