Perhaps you should try some spelling variations:
"support g integration theories." » "support g integration theorems.", "support g integrationstheorie 2.", "support g integration theory.", "support 3 integration theories.", "support 2 integration theories.", "support 4 integration theories.", "support _ integration theories.", "support a integration theories."
"support grant integration some." » "support migrant integration some.", "support migrants integration some.", "support statt integration some.", "support grant integration south.", "support grant integration soziale.", "support grant integration social.", "support _rant integration some.", "support arant integration some.", "support 4rant integration some."

Try widening your search to All Fields.

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

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