Perhaps you should try some spelling variations:
"studie de saggi" » "studie der saggi", "studie die saggi", "studie des saggi", "studie di saggi", "studie de santi", "studie ddi saggi"
"studie de sang" » "studie der sang", "studie die sang", "studie des sang", "studie de san", "studie de sans", "studie de sangre"
"studi e saggi" » "studi _ saggi", "studi di saggi"

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