Perhaps you should try some spelling variations:
universitario del » universitarios del, universitario de, universitario en
de ensino » do ensino, e ensino, _ ensino
o ensino » do ensino, e ensino
pluriverse » pluriversal
primo » prime, prima

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: "pluriverse – quaderno _ bibliotheca ((de ensino) OR (o ensino)) universitario del primo".
• Adding a wildcard symbol may retrieve word variants: pluriverse – quaderno _ bibliotheca ((de ensino) OR (o ensino)) universitario del primo*.