Perhaps you should try some spelling variations:
"supply costs international efforts." » "supply costs international airports.", "supply costs international energy.", "supply costs international airport.", "supply costea international efforts.", "supply counts international efforts.", "supply cases international efforts."
"supply firms integration schemes." » "supply firms integration schengen.", "supply firms irrigation schemes.", "supply firms integration regimes.", "supply dis integration schemes.", "supply res integration schemes.", "supply focus integration schemes.", "supply farm integration schemes.", "supply reforms integration schemes.", "support firms 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 firms integration schemes.") OR ("supply costs international efforts."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"supply firms integration schemes.\") OR (\"supply costs international efforts.\"))*".
• Removing quotes may allow a broader search: (( supply firms integration schemes. ) OR ( supply costs international efforts. ))*.