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