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