Perhaps you should try some spelling variations:
"export data integration schemes." » "export data irrigation schemes.", "export data integration some.", "export data integration theories.", "export trade integration schemes.", "export _ integration schemes.", "export data integrity schemes.", "export day integration schemes.", "import data integration schemes.", "export ratio integration schemes."
"support grant integration series." » "support grant integration theories.", "support grant integrating services.", "support grant integration social.", "support migrant integration series.", "support trade integration series.", "support grid integration series."

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"export data integration schemes.\") OR (\"support grant integration series.\"))~".
• Removing quotes may allow a broader search: (( export data integration schemes. ) OR ( support grant integration series. ))~.
• Adding a wildcard symbol may retrieve word variants: (("export data integration schemes.") OR ("support grant integration series."))*.