Perhaps you should try some spelling variations:
"language arts & disciplines / library & information science / digital & online ressource" » "language arts & disciplines / library & information science / digital & online resource", "language arts & disciplines / library & information science / digital & online resources", "language arts & disciplines / library & information science / digital & line resource", "language art & disciplines / library & information science / digital & online ressource"
"language arts & disciplines / library & information science / digital & eine ressource" » "language arts & disciplines / library & information science / digital & die ressource", "language arts & disciplines / library & information science / digital & und ressource", "language arts & disciplines / library & information science / digital & die ressourcen", "language art & disciplines / library & information science / digital & eine ressource"

Try widening your search to All Fields.

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"language arts & disciplines / library & information science / digital & online ressource\") OR (\"language arts & disciplines / library & information science / digital & eine ressource\"))".
• Removing quotes may allow a broader search: (( language arts & disciplines / library & information science / digital & online ressource ) OR ( language arts & disciplines / library & information science / digital & eine ressource )).
• Adding a wildcard symbol may retrieve word variants: (("language arts & disciplines / library & information science / digital & online ressource") OR ("language arts & disciplines / library & information science / digital & eine ressource"))*.