Perhaps you should try some spelling variations:
"supply costs integration schemes." » "supply costs integration schengen.", "supply costs irrigation schemes.", "supply costs integration regimes.", "supply comes integration schemes.", "supply post integration schemes.", "supply focus integration schemes."
"supply forced education policies." » "supply forced education policy.", "supply forten education policies.", "supply founded education policies.", "supply formal education policies.", "supply sources education policies.", "supply food education policies."

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

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