Perhaps you should try some spelling variations:
"literatura arabe de isaias." » "literatura breve de isaias.", "literatura de de isaias.", "literatura arabe de indias.", "literatura arabe de isaac.", "literatura caribe de isaias.", "literatura sabe de isaias.", "literatura arabes e isaias."
"literatura al de isla." » "literatura el de isla.", "literatura del de isla.", "literatura de de isla.", "literatura al de isaac.", "literatura al dr isla."
"literatura e el islam." » "literatura de el islam.", "literatura en el islam.", "literatura del el islam.", "literatura es el islam."

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("literatura e el islam.") or ((("literatura arabe de isaias.") or ("literatura al de isla."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("literatura e el islam.") OR ((("literatura arabe de isaias.") OR ("literatura al de isla.")))).
• Removing quotes may allow a broader search: (( literatura e el islam. ) or ((( literatura arabe de isaias. ) or ( literatura al de isla. )))).
• Adding a wildcard symbol may retrieve word variants: (("literatura e el islam.") or ((("literatura arabe de isaias.") or ("literatura al de isla."))))*.