Perhaps you should try some spelling variations:
contributi della » contributo della, contributi dalla, contributo delle
storia gotica » storia antica, storia politica, storia critica
istituti pii » istituti di, istituiti sic, instituti di
istituto di » instituto de, 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 (istituti pii)) storia gotica%22.
• Adding a wildcard symbol may retrieve word variants: %contributi della%((istituto di) or (istituti pii)) storia gotica%22*.