Perhaps you should try some spelling variations:
"support european integration theories." » "support european integration theorems.", "support european integrationstheorie 2.", "support european integration theory.", "sport european integration theories.", "supply european integration theories.", "exports european integration theories."
"support urban integration through." » "support urban innovation through.", "support urban migration through.", "support chain integration through.", "support carbon integration through.", "report urban integration through.", "supply urban integration through."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("support urban integration through.") OR ("support european integration theories."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"support urban integration through.\") OR (\"support european integration theories.\"))".
• Removing quotes may allow a broader search: (( support urban integration through. ) OR ( support european integration theories. )).
• Adding a wildcard symbol may retrieve word variants: (("support urban integration through.") OR ("support european integration theories."))*.