Perhaps you should try some spelling variations:
"literature spain _ isla." » "literatura espana _ isla."
"literatura maya el islam." » "literatura maria el islam.", "literatura mas el islam.", "literatura ma el islam.", "literatura maya en islam.", "literatura mayas en islam.", "literatura playa el islam."
"literature arab e isla." » "literatura arabe e isla.", "literature early e isla.", "literatura para e isla.", "literature arabe e isla.", "literature arab _ isla.", "literature arabes e isla.", "literature arab e islas.", "literature arab de isla.", "literature arab e islam."

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 maya el islam.") OR ((("literature arab e isla.") OR ("literature spain _ isla."))))~.
• Removing quotes may allow a broader search: (( literatura maya el islam. ) or ((( literature arab e isla. ) or ( literature spain _ isla. ))))~.
• Adding a wildcard symbol may retrieve word variants: (("literatura maya el islam.") or ((("literature arab e isla.") or ("literature spain _ isla."))))*.