Perhaps you should try some spelling variations:
"literatura maria de isaac." » "literatura america de isaac.", "literatura memoria de isaac.", "literatura musica de isaac.", "literatura maria del isaac."
"literatura e de islam." » "literatura de de islam.", "literatura en de islam.", "literatura del de islam.", "literatura e del islam.", "literatura e de isla.", "literatura e e islam.", "literatura y de islam.", "literatura o de islam."
"literatura _ de islam." » "literatura _ del islam.", "literatura _ de isla.", "literatura _ e islam."

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"literatura e de islam.\") OR (\"literatura _ de islam.\"))) OR (\"literatura maria de isaac.\"))~".
• Removing quotes may allow a broader search: (((( literatura e de islam. ) OR ( literatura _ de islam. ))) OR ( literatura maria de isaac. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("literatura e de islam.") OR ("literatura _ de islam."))) OR ("literatura maria de isaac."))*.