Perhaps you should try some spelling variations:
"export modal integration theories." » "export modal integration theorems.", "export modal integrationstheorie 2.", "export modal integration theory.", "export model integration theories.", "export global integration theories.", "export social integration theories.", "export day integration theories.", "export more integration theories."
"support data integration schemes." » "support data integration schengen.", "support data irrigation schemes.", "support data integration regimes.", "support data integrity schemes.", "support a integration schemes.", "support de 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 data integration schemes.") or ("export modal integration theories."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support data integration schemes.") OR ("export modal integration theories.")).
• Removing quotes may allow a broader search: (( support data integration schemes. ) or ( export modal integration theories. )).
• Adding a wildcard symbol may retrieve word variants: (("support data integration schemes.") or ("export modal integration theories."))*.