Perhaps you should try some spelling variations:
"support eu integration theories." » "support eu integration theorems.", "support eu integrationstheorie 2.", "support eu integration theory.", "support deep integration theories.", "support die integration theories.", "support data integration theories.", "support _ integration theories.", "support a integration theories.", "support 4 integration theories."
"support grant integration schemes." » "support grant integration schengen.", "support grant irrigation schemes.", "support grant integration regimes.", "support migrant integration schemes.", "support migrants integration schemes.", "support statt 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: (("support eu integration theories.") or ("support grant integration schemes."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support eu integration theories.") OR ("support grant integration schemes.")).
• Removing quotes may allow a broader search: (( support eu integration theories. ) or ( support grant integration schemes. )).
• Adding a wildcard symbol may retrieve word variants: (("support eu integration theories.") or ("support grant integration schemes."))*.