Perhaps you should try some spelling variations:
studi de » estudi de, studi del, studie de
"Studi de saggi" » "Studi de santi", "Studi de sang"
"studi di saggi" » "studi di viaggi"
studi e » studi _

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: (((("Studi de saggi") OR ("Studi e saggi"))) OR ("studi di saggi")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"Studi de saggi\") OR (\"Studi e saggi\"))) or (\"studi di saggi\"))".
• Removing quotes may allow a broader search: (((( Studi de saggi ) OR ( Studi e saggi ))) or ( studi di saggi )).
• Adding a wildcard symbol may retrieve word variants: (((("Studi de saggi") OR ("Studi e saggi"))) or ("studi di saggi"))*.