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 ocean conservation efforts." » "Supply ocean observation efforts.", "Supply local conservation efforts.", "Supply area conservation efforts."
supply ocean » supply oecd, supply chai

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("Supply ocean conservation efforts.") or ("supply chain international efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("Supply ocean conservation efforts.") OR ("supply chain international efforts.")).
• Removing quotes may allow a broader search: (( Supply ocean conservation efforts. ) or ( supply chain international efforts. )).
• Adding a wildcard symbol may retrieve word variants: (("Supply ocean conservation efforts.") or ("supply chain international efforts."))*.