Perhaps you should try some spelling variations:
regionalism economic » regional economic, nationalism economic, regional economy
economics conditons » economic conditons, economic condition, economic conditiond
regional economics » regional economic
der regionalism » does regionalism, new regionalism, des regionalismus
der regional » der regionale, per regional, der regionalen

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( der regionalism economic conditions. ) or ( der regional economics conditons. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( der regionalism economic conditions. ) OR ( der regional economics conditons. )).
• Adding a wildcard symbol may retrieve word variants: (( der regionalism economic conditions. ) or ( der regional economics conditons. ))*.