Perhaps you should try some spelling variations:
literatura italiana » letteratura italiana, literature italian, letteratura italian
la literatura » la litterature, a literature
e teatro » el teatro, _ teatro, o teatro
e testo » del testo, il testo
test » text
testo » texto

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: orione. studi ((e test) OR (((e testo) OR (e teatro)))) la literatura italiana.
• The words AND, OR and NOT may confuse the search; try adding quotes: "orione. studi ((e test) or (((e testo) OR (e teatro)))) la literatura italiana".
• Adding a wildcard symbol may retrieve word variants: orione. studi ((e test) or (((e testo) OR (e teatro)))) la literatura italiana*.