Perhaps you should try some spelling variations:
le literatura » la literatura, de literatura, e literatura
filosofia le » filosofia de, filosofia e, filosofia del
loci models » local models, locus models, hci models
e filosofia » la filosofia
roi models » roi model, coli models, raci models

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: "((roi models) OR (loci models)) studies e filosofia le literatura".
• Adding a wildcard symbol may retrieve word variants: ((roi models) OR (loci models)) studies e filosofia le literatura*.