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