Perhaps you should try some spelling variations:
"literatura checa e islam." » "literatura china e islam.", "literatura chilena e islam.", "literatura chicana e islam.", "literatura checa de islam.", "literatura cuenca e islam.", "literatura checa el islam.", "literatura checa e islas.", "literatura checa del islam."
"literatura de de isaacs." » "literatura de de isaac.", "literatura de de isaias.", "literatura de de islas.", "literatura de fe isaacs.", "literatura de di isaacs."
"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 de de isaacs."))) OR ("literatura checa e islam."))~.
• Removing quotes may allow a broader search: (((( literatura _ de isla. ) or ( literatura de de isaacs. ))) or ( literatura checa e islam. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("literatura _ de isla.") or ("literatura de de isaacs."))) or ("literatura checa e islam."))*.