Perhaps you should try some spelling variations:
"nationale region statt" » "nationale din statt" (Expand Search), "nationalae region statt" (Expand Search), "nationalene region statt" (Expand Search), "nationalere region statt" (Expand Search)
"national regional state" » "nationala regional state" (Expand Search), "nationalen regional state" (Expand Search), "nationaler regional state" (Expand Search)
"nationalene region stadt" » "nationalaene region stadt" (Expand Search), "nationalenene region stadt" (Expand Search), "nationalerene region stadt" (Expand Search)

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: "((\"national regional state\") OR (((\"nationale region statt\") OR (\"nationalene region stadt\"))))~".
• Removing quotes may allow a broader search: (( national regional state ) OR ((( nationale region statt ) OR ( nationalene region stadt ))))~.
• Adding a wildcard symbol may retrieve word variants: (("national regional state") OR ((("nationale region statt") OR ("nationalene region stadt"))))*.