Perhaps you should try some spelling variations:
temperature author » temperatures author, temperature action, temperature after
letteratura arte » letteratura arti, letteratura sarda, letteratura e
la temperature » a temperature, sea temperature, 2 temperature
du letteratura » di letteratura, su letteratura, sua letteratura
de liberte » la liberte, de libre
libro la » libro de, libro di, libro i

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: (( ((i grand) OR (i grunde)) libro la temperature author ) OR ( ((i grand) OR (i grunde))de liberte du letteratura arte )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((i grand) OR (i grunde)) libro la temperature author ) or ( ((i grand) OR (i grunde))de liberte du letteratura arte ))".
• Adding a wildcard symbol may retrieve word variants: (( ((i grand) OR (i grunde)) libro la temperature author ) or ( ((i grand) OR (i grunde))de liberte du letteratura arte ))*.