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

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 dalla) OR (contributo della))%((instituto ad) OR (((((istituti di) OR (institution die))) OR (istituti pii)))) storia antica%22.
• Adding a wildcard symbol may retrieve word variants: %((contributi dalla) or (contributo della))%((instituto ad) or (((((istituti di) or (institution die))) or (istituti pii)))) storia antica%22*.