Perhaps you should try some spelling variations:
"literatura ma del imam." » "literatura mas del imam.", "literatura a del imam.", "literatura maya del imam.", "literatura ma el imam.", "literatura ma del islam.", "literatura ma de l'imam."
"literatura _ de islas." » "literatura _ e islas.", "literatura _ de islam.", "literatura _ de isaias.", "literatura _ de isaacs."
"literatura y de isla." » "literatura y de isaac."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("literatura _ de islas.") or ((("literatura ma del imam.") or ("literatura y de isla."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("literatura _ de islas.") OR ((("literatura ma del imam.") OR ("literatura y de isla."))))*.
• Removing quotes may allow a broader search: (( literatura _ de islas. ) or ((( literatura ma del imam. ) or ( literatura y de isla. ))))*.