Perhaps you should try some spelling variations:
"supply case international efforts." » "supply case international airports.", "supply case international energy.", "supply case international airport.", "supply cases international efforts.", "supply care international efforts.", "supply cause internationale efforts.", "supply cost international efforts.", "supply curve international efforts.", "supply costs international efforts."
"supply chain conservation efforts." » "supply charge conservation efforts.", "supply aid conservation efforts.", "supply ocean 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 case international efforts.") or ("supply chain conservation efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply case international efforts.") OR ("supply chain conservation efforts.")).
• Removing quotes may allow a broader search: (( supply case international efforts. ) or ( supply chain conservation efforts. )).
• Adding a wildcard symbol may retrieve word variants: (("supply case international efforts.") or ("supply chain conservation efforts."))*.