Perhaps you should try some spelling variations:
"der regional economic conditions." » "der regional economic contractions.", "der regional economic transitions.", "der regional macroeconomic conditionss.", "der global economic conditions.", "der regionale economic conditions.", "per regional economic conditions.", "der regionalen economic conditions."
"der regional economic condition." » "der regional economic contraction.", "der regional economic transition.", "der regional macroeconomic conditions.", "der global economic condition.", "der regionale economic condition.", "per regional economic condition.", "der regionalen economic condition."

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

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