Perhaps you should try some spelling variations:
"supply system international policies." » "supply system international politics.", "supply system international prices.", "supply system international policy.", "supply system integration policies.", "supply igem international policies.", "supply term international policies.", "supply systems international policies."
"supply towards improving countries." » "supply towards importing countries.", "supply towards borrowing countries.", "supply towards emerging countries.", "supply towards improved countries.", "supply standards improving countries."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply towards improving countries.") OR ("supply system international policies."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"supply towards improving countries.\") OR (\"supply system international policies.\"))".
• Removing quotes may allow a broader search: (( supply towards improving countries. ) OR ( supply system international policies. )).
• Adding a wildcard symbol may retrieve word variants: (("supply towards improving countries.") OR ("supply system international policies."))*.