Perhaps you should try some spelling variations:
"supply china integrating countries." » "supply china importing countries.", "supply china immigration countries.", "supply china integrating culture.", "supply china integration countries.", "supply chennai integrating countries.", "supply change integrating countries.", "supply chains integrating countries.", "supply chain integrating countries."
"supply fuel conservation efforts." » "supply soil conservation efforts.", "supply forest conservation efforts.", "supply fuel consumption efforts."

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 fuel conservation efforts.") OR ("supply china integrating countries."))~.
• Removing quotes may allow a broader search: (( supply fuel conservation efforts. ) or ( supply china integrating countries. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply fuel conservation efforts.") or ("supply china integrating countries."))*.