Perhaps you should try some spelling variations:
literatura alemana » literatura espana, literatura castellana, literatura colombiana
literatura d » literatura de, literatura e, literatura a
alemana y » alemana de, alemana en
un islam » el islam, e islam, al islam
y islam » e islam, _ islam, el islam
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 y islam. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( literatura d un islam. ) OR ( literatura alemana y islam. )).
• Adding a wildcard symbol may retrieve word variants: (( literatura d un islam. ) or ( literatura alemana y islam. ))*.