Perhaps you should try some spelling variations:
literatura alemana » literatura espana, literatura castellana, literatura colombiana
literatura a » literatura al, literatura e, literatura de
alemana y » alemana de, alemana en
al islam » del islam
e islam » e islas, del islam
y islam » _ islam, un islam, de islam

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( literatura a ((e islam) or (((al islam) OR (el islam)))). ) or ( literatura alemana y islam. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( literatura a ((e islam) OR (((al islam) OR (el islam)))). ) OR ( literatura alemana y islam. )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( literatura a ((e islam) or (((al islam) OR (el islam)))). ) or ( literatura alemana y islam. ))".
• Adding a wildcard symbol may retrieve word variants: (( literatura a ((e islam) or (((al islam) OR (el islam)))). ) or ( literatura alemana y islam. ))*.