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

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