Perhaps you should try some spelling variations:
"literature spain el islam." » "literatura espana el islam.", "literature spain _ islam.", "literature spain a islam.", "literature spain 1 islam."
"literatura en una idea." » "literatura espana una idea.", "literatura en la idea."
"literatura de dejar de." » "literatura de bejar de.", "literatura de decir de.", "literatura de deber de."

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