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