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