Perhaps you should try some spelling variations:
contributi della » contributo della, contributi dalla, contributo delle
istituiti sic » istituti di, istituti pii
storia antica » storia gotica, storia romantica, historia antiga
instituto de » institut der, institution der
istituto di » instituto ad

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