Perhaps you should try some spelling variations:
"geschichte 1783-1790" » "geschichte 1723-1790" (Expand Search), "geschichte 1700-1790" (Expand Search), "geschichte 1880-1790" (Expand Search)
"geschichte 1784-1790" » "geschichte 1700-1790" (Expand Search), "geschichte 1723-1790" (Expand Search), "geschichte 1854-1790" (Expand Search)
"geschichte 1840-1790" » "geschichte 1890-1790" (Expand Search), "geschichte 1500-1790" (Expand Search)
"geschichte 1600-1790" » "geschichte 1500-1790" (Expand Search)

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("geschichte 1783-1790") or ((("geschichte 1784-1790") or ((("geschichte 1840-1790") OR ("geschichte 1600-1790"))))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("geschichte 1783-1790") OR ((("geschichte 1784-1790") OR ((("geschichte 1840-1790") OR ("geschichte 1600-1790")))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"geschichte 1783-1790\") or (((\"geschichte 1784-1790\") or (((\"geschichte 1840-1790\") OR (\"geschichte 1600-1790\"))))))".
• Removing quotes may allow a broader search: (( geschichte 1783-1790 ) or ((( geschichte 1784-1790 ) or ((( geschichte 1840-1790 ) OR ( geschichte 1600-1790 )))))).
• Adding a wildcard symbol may retrieve word variants: (("geschichte 1783-1790") or ((("geschichte 1784-1790") or ((("geschichte 1840-1790") OR ("geschichte 1600-1790"))))))*.