Perhaps you should try some spelling variations:
"studi de saggi" » "estudi de saggi", "studi del saggi", "studie de saggi", "studi di saggi", "studi e saggi", "studi de sang"
"studi de santi" » "estudi de santi", "studi del santi", "studie de santi", "studi de santis", "studi de sante", "studi de santa"
studi e » studi di

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