Perhaps you should try some spelling variations:
lingual literature » clinical literature, legal literature, languages literature
lengua literatura » pena literatura, la literatura, na literatura
duales studium » das studium
1 filosofia » e filosofia, a filosofia, y filosofia
studium 1 » studium _, studium 3, studium 8
texto » textos, text, texts

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: texto duales studium 1 filosofia ((((lengua literatura) OR (language literature))) OR (lingual literature)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "texto duales studium 1 filosofia ((((lengua literatura) OR (language literature))) or (lingual literature))".
• Adding a wildcard symbol may retrieve word variants: texto duales studium 1 filosofia ((((lengua literatura) OR (language literature))) or (lingual literature))*.