Perhaps you should try some spelling variations:
"national reinen stadte" » "national einer stadt" (Expand Search), "nationala reinen stadte" (Expand Search), "nationalen reinen stadte" (Expand Search), "nationaler reinen stadte" (Expand Search)
"nationale regional state" » "nationalae regional state" (Expand Search), "nationalene regional state" (Expand Search), "nationalere regional state" (Expand Search), "nationale religional state" (Expand Search)
"national region stadt" » "nationala region stadt" (Expand Search), "nationalen region stadt" (Expand Search), "nationaler region stadt" (Expand Search), "national religion stadt" (Expand Search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("nationale regional state") OR ((("national reinen stadte") OR ("national region stadt"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"nationale regional state\") OR (((\"national reinen stadte\") OR (\"national region stadt\"))))".
• Removing quotes may allow a broader search: (( nationale regional state ) OR ((( national reinen stadte ) OR ( national region stadt )))).
• Adding a wildcard symbol may retrieve word variants: (("nationale regional state") OR ((("national reinen stadte") OR ("national region stadt"))))*.