Perhaps you should try some spelling variations:
historia antiga » historia antigua, historia antiqua
instituti di » instituti _, instituti a, institution die
instituto de » institut der, institution der
istituti di » istituti pii, istituiti sic, istituto del
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 OR %contributor) della%((((istituto di) OR (instituto de))) OR (((istituti di) OR (instituti di)))) ((historia antiga) OR (historia argentina))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(%contributo or %contributor) della%((((istituto di) or (instituto de))) or (((istituti di) OR (instituti di)))) ((historia antiga) or (historia argentina))%22".
• Adding a wildcard symbol may retrieve word variants: (%contributo or %contributor) della%((((istituto di) or (instituto de))) or (((istituti di) OR (instituti di)))) ((historia antiga) or (historia argentina))%22*.