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 arabe _ isla." » "literatura breve _ isla.", "literatura de _ isla.", "literatura e _ isla.", "literatura alrabe _ isla.", "literatura erabe _ isla.", "literatura derabe _ isla.", "literatura arabe _ islas."
"literatura a el islam." » "literatura al el islam.", "literatura e el islam.", "literatura de el islam.", "literatura y el islam.", "literatura o el islam.", "literatura 2 el islam.", "literatura a el islasm."

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 maria de isaac.") OR ("literatura a el islam."))) OR ("literatura arabe _ isla."))~.
• Removing quotes may allow a broader search: (((( literatura maria de isaac. ) or ( literatura a el islam. ))) or ( literatura arabe _ isla. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("literatura maria de isaac.") or ("literatura a el islam."))) or ("literatura arabe _ isla."))*.