Perhaps you should try some spelling variations:
"support firms integration efforts." » "support firms international efforts.", "support firms conservation efforts.", "support dis integration efforts.", "support res integration efforts.", "support focus integration efforts.", "support farm integration efforts.", "supporting firms integration efforts.", "support farmers integration efforts."
"supply inside information theory." » "supply insider information theory.", "supply online information theory.", "supply finance information theory.", "supply side information theory.", "supply india information theory.", "supply sides 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 firms integration efforts.") OR ("supply inside information theory."))~.
• Removing quotes may allow a broader search: (( support firms integration efforts. ) or ( supply inside information theory. ))~.
• Adding a wildcard symbol may retrieve word variants: (("support firms integration efforts.") or ("supply inside information theory."))*.