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