Perhaps you should try some spelling variations:
national » nationale (Expand Search), nationala (Expand Search), nationalen (Expand Search)
nationalstaat » nationalestaat (Expand Search), nationalastaat (Expand Search), nationalenstaat (Expand Search)
nationalenstaat » nationaleenstaat (Expand Search), nationalaenstaat (Expand Search), nationalenenstaat (Expand Search)
regional » region (Expand Search)
legionary » legionar (Expand Search), legionaren (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: (( national regional stadte ) OR (( nationalstaat OR nationalenstaat) legionary stadte ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( national regional stadte ) OR (( nationalstaat OR nationalenstaat) legionary stadte )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( national regional stadte ) OR (( nationalstaat OR nationalenstaat) legionary stadte ))".
• Adding a wildcard symbol may retrieve word variants: (( national regional stadte ) OR (( nationalstaat OR nationalenstaat) legionary stadte ))*.