Perhaps you should try some spelling variations:
"supply crowd international cooperation." » "supply crop international cooperation.", "supply growth international cooperation.", "supply 3rd international cooperation.", "supply cost international cooperation.", "supply from international cooperation."
"supply grid integration south." » "supply grid integration study.", "supply grid integration some.", "supply grid integration social.", "supply great integration south.", "support grid integration south."

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 crowd international cooperation.") OR ("supply grid integration south."))~.
• Removing quotes may allow a broader search: (( supply crowd international cooperation. ) or ( supply grid integration south. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply crowd international cooperation.") or ("supply grid integration south."))*.