Perhaps you should try some spelling variations:
"schriften zu management" » "schriften du management", "schriften kmu management", "schriften situ management", "schriften zur management", "schriften _ management", "schriften des management"
"schriften icu management" » "schriften i management", "schriften im management", "schriften iv management"
"schriften ii management" » "schriften iii management", "schriften _ management", "schriften des management", "schriften der management"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("schriften zu management") OR ("schriften icu management"))) OR ("schriften ii management")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"schriften zu management\") OR (\"schriften icu management\"))) or (\"schriften ii management\"))".
• Removing quotes may allow a broader search: (((( schriften zu management ) OR ( schriften icu management ))) or ( schriften ii management )).
• Adding a wildcard symbol may retrieve word variants: (((("schriften zu management") OR ("schriften icu management"))) or ("schriften ii management"))*.