Perhaps you should try some spelling variations:
"literatura a de chillan." » "literatura al de chillan.", "literatura e de chillan.", "literatura de de chillan.", "literatura o de chillan.", "literatura a de chilean.", "literatura a de chillon."
"literatura y de islam." » "literatura y del islam.", "literatura y e islam.", "literatura y de ilam.", "literatura y de isaacm."
"literatura _ de isla." » "literatura _ de isaac."

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura _ de isla.") OR ("literatura y de islam."))) OR ("literatura a de chillan."))~.
• Removing quotes may allow a broader search: (((( literatura _ de isla. ) or ( literatura y de islam. ))) or ( literatura a de chillan. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("literatura _ de isla.") or ("literatura y de islam."))) or ("literatura a de chillan."))*.