Perhaps you should try some spelling variations:
"support grant integration theories." » "support grant integration theorems.", "support grant integrationstheorie 2.", "support grant integration theory.", "support migrant integration theories.", "support migrants integration theories.", "support statt integration theories."
"export share integration some." » "export fare integration some.", "export care integration some.", "export scale integration some.", "export share integration south.", "export share integration soziale.", "export share integration social."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("support grant integration theories.") or ("export share integration some."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support grant integration theories.") OR ("export share integration some.")).
• Removing quotes may allow a broader search: (( support grant integration theories. ) or ( export share integration some. )).
• Adding a wildcard symbol may retrieve word variants: (("support grant integration theories.") or ("export share integration some."))*.