Perhaps you should try some spelling variations:
"literatura a de islam." » "literatura al de islam.", "literatura e de islam.", "literatura de de islam.", "literatura a del islam.", "literatura a e islam.", "literatura a de ilam.", "literatura a de isaacm.", "literatura o de islam."
"literatura _ de chilam." » "literatura _ de chillan.", "literatura _ de chile.", "literatura _ de china."
"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 chilam.") or ((("literatura a de islam.") or ("literatura y de isla."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("literatura _ de chilam.") OR ((("literatura a de islam.") OR ("literatura y de isla."))))*.
• Removing quotes may allow a broader search: (( literatura _ de chilam. ) or ((( literatura a de islam. ) or ( literatura y de isla. ))))*.