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 south." » "supply grid integration study.", "supply grid integration some.", "supply grid integration social.", "supply crowd integration south.", "supply great integration south.", "support grid integration south."

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 south.") OR ("supply chain international efforts."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"supply grid integration south.\") OR (\"supply chain international efforts.\"))*".
• Removing quotes may allow a broader search: (( supply grid integration south. ) OR ( supply chain international efforts. ))*.