Perhaps you should try some spelling variations:
contributi dalla » contributi alla, contributo della, contributo alla
historia antiga » historia antigua, historia antiqua, historia argentina
istituti pii » istituiti sic, instituti di, istituto per
istituto di » instituto de, instituto ad
istituti di » instituti di, istituiti sic, istituto del

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%((istituto di) OR (((istituti di) OR (istituti pii)))) historia antiga%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%contributi dalla%((istituto di) or (((istituti di) OR (istituti pii)))) historia antiga%22".
• Adding a wildcard symbol may retrieve word variants: %contributi dalla%((istituto di) or (((istituti di) OR (istituti pii)))) historia antiga%22*.