Perhaps you should try some spelling variations:
"support fare integration efforts." » "support fare international efforts.", "support fare conservation efforts.", "support market integration efforts.", "support trade integration efforts.", "support data integration efforts.", "support falls integration efforts.", "support state integration efforts."
"supply trade information theory." » "supply price information theory.", "supply private information theory.", "supply credit information theory.", "supply side information theory.", "supply case information theory."

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: (("support fare integration efforts.") OR ("supply trade information theory."))~.
• Removing quotes may allow a broader search: (( support fare integration efforts. ) or ( supply trade information theory. ))~.
• Adding a wildcard symbol may retrieve word variants: (("support fare integration efforts.") or ("supply trade information theory."))*.