Perhaps you should try some spelling variations:
"supply system international efforts." » "supply system international airports.", "supply system international energy.", "supply system international airport.", "supply system integration efforts.", "supply igem international efforts.", "supply term international efforts.", "supply systems international efforts."
"supply china international social." » "supply china international society.", "supply china international sourcing.", "supply china international seminar.", "supply iea international social.", "supply action international social.", "supply finance international social.", "supply chains international social.", "supply chain international social."

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