Perhaps you should try some spelling variations:
literatura alemana » literatura espana, literatura castellana, literatura colombiana
literatura d » literatura de, literatura e, literatura a
alemana en » alemana de, alemana y
un islam » el islam, e islam, al islam
en islam » el islam, e islam, en ilam
d un » de un, di un, a un

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( literatura d un islam. ) or ( literatura alemana en islam. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( literatura d un islam. ) OR ( literatura alemana en islam. )).
• Adding a wildcard symbol may retrieve word variants: (( literatura d un islam. ) or ( literatura alemana en islam. ))*.