Perhaps you should try some spelling variations:
"supply chain international efforts." » "supply chain international airports.", "supply chain international energy.", "supply chain international airport.", "supply chains international efforts.", "supply main international efforts.", "supply can international efforts."
"supply grid integration theory." » "supply grid integration through.", "supply grid information theory.", "supply grid innovation theory.", "supply crowd integration theory.", "supply great integration theory.", "support grid integration theory."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply grid integration theory.") or ("supply chain international efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply grid integration theory.") OR ("supply chain international efforts."))*.
• Removing quotes may allow a broader search: (( supply grid integration theory. ) or ( supply chain international efforts. ))*.