Perhaps you should try some spelling variations:
studio de » estudio de, studio del, studio dei
studie de » studie der, studie die, studie des
"studi _ saggi" » "study _ saggi"
studio » studyo
studie » studye

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 _ saggi") OR ("((studio de) or (studie de)) saggi")).
• Removing quotes may allow a broader search: (( studi _ saggi ) or ( ((studio de) or (studie de)) saggi )).
• Adding a wildcard symbol may retrieve word variants: (("studi _ saggi") or ("((studio de) or (studie de)) saggi"))*.