Perhaps you should try some spelling variations:
"supply can international political." » "supply can international policy.", "supply care international political.", "supply bank international political.", "supply law international political.", "supply case international political.", "supply a international political.", "supply gap international political."
"supply chain international economics." » "supply china international economics.", "supply sharing international economics.", "supply care international economics.", "supply chain international economic."

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