Perhaps you should try some spelling variations:
storia romantica » storia romanza, storia politica, teoria semantica
contributi alla » contributi dalla, contributo alla, contribute all
storia antica » storia gotica, historia antiga, storia critica
instituti di » istituti di, instituti _, instituti a
istituti pii » istituti di, istituiti sic, istituto per
istituto di » instituto de, instituto ad
contributo » contributor, contribute, contribution

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 della) OR (contributi alla))%((istituto di) OR (((instituti di) OR (istituti pii)))) ((storia antica) OR (storia romantica))%22.
• Adding a wildcard symbol may retrieve word variants: %((contributo della) or (contributi alla))%((istituto di) or (((instituti di) or (istituti pii)))) ((storia antica) or (storia romantica))%22*.