Perhaps you should try some spelling variations:
"supply curve international policies." » "supply curve international politics.", "supply curve international prices.", "supply curve international policy.", "supply survey international policies.", "supply care international policies.", "supply current international policies."
"supply case integration schemes." » "supply case integration schengen.", "supply case irrigation schemes.", "supply case integration regimes.", "supply care integration schemes.", "supply scale integration schemes.", "supply based integration schemes.", "supply cost integration schemes.", "supply chain integration schemes.", "supply costs integration schemes."

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 integration schemes.") OR ("supply curve international policies."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"supply case integration schemes.\") OR (\"supply curve international policies.\"))*".
• Removing quotes may allow a broader search: (( supply case integration schemes. ) OR ( supply curve international policies. ))*.