Perhaps you should try some spelling variations:
"literatura e x islas." » "literatura en x islas.", "literatura del x islas.", "literatura e e islas.", "literatura e a islas.", "literatura e de islas.", "literatura de x islas.", "literatura e xi islas."
"literatura mexicana e ilam." » "literatura mexicana de ilam.", "literatura mexicana en ilam.", "literatura mexicana el ilam.", "literatura mexicana e islam."
"literatura de de china." » "literatura de de chile.", "literatura de fe china.", "literatura de di china."

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 e x islas.") OR ((("literatura mexicana e ilam.") OR ("literatura de de china."))))~.
• Removing quotes may allow a broader search: (( literatura e x islas. ) or ((( literatura mexicana e ilam. ) or ( literatura de de china. ))))~.
• Adding a wildcard symbol may retrieve word variants: (("literatura e x islas.") or ((("literatura mexicana e ilam.") or ("literatura de de china."))))*.