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 en de islam." » "literatura espana de islam.", "literatura en del islam.", "literatura en e islam.", "literatura en de ilam."
"literatura de de isla." » "literatura de fe isla.", "literatura de di isla."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("literatura en de islam.") or ("literatura de de isla."))) or ("literatura maria de isaac."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura en de islam.") OR ("literatura de de isla."))) OR ("literatura maria de isaac."))*.
• Removing quotes may allow a broader search: (((( literatura en de islam. ) or ( literatura de de isla. ))) or ( literatura maria de isaac. ))*.