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 marine conservation efforts." » "supply nature conservation efforts.", "supply land conservation efforts.", "supply heritage conservation efforts.", "supply main conservation efforts.", "supply ukraine conservation efforts.", "supply market conservation efforts."

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