Perhaps you should try some spelling variations:
"johann christian buch" » "hermann christian buch" (Expand Search), "von christian buch" (Expand Search), "doring christian buch" (Expand Search)
"johann christian auch" » "hermann christian auch" (Expand Search), "von christian auch" (Expand Search), "doring christian auch" (Expand Search), "johann christian mauch" (Expand Search)
"hans christian auch" » "von christian auch" (Expand Search), "hermann christian auch" (Expand Search), "hans christian mauch" (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: (("johann christian buch") OR ((("johann christian auch") OR ("hans christian auch"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"johann christian buch\") OR (((\"johann christian auch\") OR (\"hans christian auch\"))))*".
• Removing quotes may allow a broader search: (( johann christian buch ) OR ((( johann christian auch ) OR ( hans christian auch ))))*.