Perhaps you should try some spelling variations:
litterature author » literature author, literature authors, literature anthony
letteratura arte » letteratura arti, letteratura sarda, letteratura e
sua letteratura » su letteratura, la letteratura, tra letteratura
de litterature » la litterature, et litterature
grunde libro » grunde fir, grunde gibt, und libro
i grundideen » und grundideen, die grundidee, i grundwissen
liberte sua » liberte qu'a, liberte du, liberte a
i grundede » i grundidee, i grunde

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