Perhaps you should try some spelling variations:
"supply curve international competition." » "supply curve international cooperation.", "supply curve international competitiveness.", "supply curve international comparisons.", "supply survey international competition.", "supply care international competition.", "supply turkey international competition."
"supply case importing countries." » "supply case exporting countries.", "supply case importing country.", "supply case reporting countries.", "supply gas importing countries.", "supply cost importing countries.", "supply chain importing countries.", "supply costs importing 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 curve international competition.") or ("supply case importing countries."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply curve international competition.") OR ("supply case importing countries."))*.
• Removing quotes may allow a broader search: (( supply curve international competition. ) or ( supply case importing countries. ))*.