Perhaps you should try some spelling variations:
"support school cooperation efforts." » "support school conservation efforts.", "support school cooperation forms.", "support school collection efforts.", "support school operation efforts.", "support school operations efforts.", "support school completion efforts.", "supportive school cooperation efforts.", "supporting school cooperation efforts.", "support tool cooperation efforts."
"supply chain integration series." » "supply chain integration services.", "supply chain interaction series.", "supply chain integration server."

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 chain integration series.") OR ("support school cooperation efforts."))~.
• Removing quotes may allow a broader search: (( supply chain integration series. ) or ( support school cooperation efforts. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply chain integration series.") or ("support school cooperation efforts."))*.