Perhaps you should try some spelling variations:
"Studi di saggi" » "Studi de saggi", "Studi di viaggi"
"studi de sang" » "estudi de sang", "studi del sang", "studie de sang", "studi de san", "studi de sans", "studi de sangre"
"studi e saggi" » "studi _ saggi", "studi de 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 ((("Studi di saggi") OR ("studi de sang")))).
• Removing quotes may allow a broader search: (( studi e saggi ) or ((( Studi di saggi ) or ( studi de sang )))).
• Adding a wildcard symbol may retrieve word variants: (("studi e saggi") or ((("Studi di saggi") or ("studi de sang"))))*.