Perhaps you should try some spelling variations:
contributi alla » contributi dalla, contributo alla, contribute all
storia antica » storia gotica, storia romantica, historia antiga
instituti di » instituti _, instituti a, institution die
istituto di » instituto de, instituto ad
istituti di » istituti pii, istituiti sic, istituto del

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: %contributi alla%((istituto di) OR (((istituti di) OR (instituti di)))) storia antica%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%contributi alla%((istituto di) or (((istituti di) OR (instituti di)))) storia antica%22".
• Adding a wildcard symbol may retrieve word variants: %contributi alla%((istituto di) or (((istituti di) OR (instituti di)))) storia antica%22*.