Perhaps you should try some spelling variations:
"schriftenreihe der mais cernak institut" » "schriftenreihe der mais cernak instituts" (Expand Search), "schriftenreihe der matus cernak institut" (Expand Search), "schriftenreihe der marina cernak institut" (Expand Search)
"schriftenreihe des maus cernak institut" » "schriftenreihe des maus cernak instituts" (Expand Search), "schriftenreihe des matus cernak institut" (Expand Search), "schriftenreihe die maus cernak institut" (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: (("schriftenreihe der mais cernak institut") OR ("schriftenreihe des maus cernak institut"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"schriftenreihe der mais cernak institut\") OR (\"schriftenreihe des maus cernak institut\"))*".
• Removing quotes may allow a broader search: (( schriftenreihe der mais cernak institut ) OR ( schriftenreihe des maus cernak institut ))*.