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

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