Perhaps you should try some spelling variations:
"literature spain al islam." » "literatura espana al islam.", "literature spain a islam.", "literature spain pai islam.", "literature spain _ islam.", "literature spain el islam.", "literature spain del islam.", "literature spain e islam."
"literatura de duran la." » "literatura de durana la.", "literatura de durand la.", "literatura de durango la.", "literatura de durant la.", "literatura de durante la.", "literatura de duran y."
"literatura de una idea." » "literatura de la idea."

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 de duran la.") or ((("literature spain al islam.") or ("literatura de una idea."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("literatura de duran la.") OR ((("literature spain al islam.") OR ("literatura de una idea.")))).
• Removing quotes may allow a broader search: (( literatura de duran la. ) or ((( literature spain al islam. ) or ( literatura de una idea. )))).
• Adding a wildcard symbol may retrieve word variants: (("literatura de duran la.") or ((("literature spain al islam.") or ("literatura de una idea."))))*.