Perhaps you should try some spelling variations:
contributi alla » contributi dalla, contributo alla, contribute all
storia antica » storia gotica, storia romantica, historia antiga
instituto de » institut der, institution der
instituti di » istituti di, instituti _, instituti a
istituti pii » istituti di, istituiti sic, istituto 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: %((contributi alla) OR (contributo della))%((instituto de) OR (((instituti di) OR (istituti pii)))) storia antica%22.
• Adding a wildcard symbol may retrieve word variants: %((contributi alla) or (contributo della))%((instituto de) or (((instituti di) or (istituti pii)))) storia antica%22*.