Perhaps you should try some spelling variations:
"cuadernos digitales de informacion." » "cuadernos digitales la informacion." (Expand Search), "cuadernos digital de informacion." (Expand Search), "cuadernos digitales en informacion." (Expand Search), "cuadernos digitales y informacion." (Expand Search)
"cuadernos civitas de informacion." » "cuadernos civitas la informacion." (Expand Search), "cuadernos civiles de informacion." (Expand Search), "cuadernos visitas de informacion." (Expand Search), "cuadernos citas de informacion." (Expand Search)

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: (("cuadernos digitales de informacion.") OR ("cuadernos civitas de informacion."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"cuadernos digitales de informacion.\") OR (\"cuadernos civitas de informacion.\"))".
• Removing quotes may allow a broader search: (( cuadernos digitales de informacion. ) OR ( cuadernos civitas de informacion. )).
• Adding a wildcard symbol may retrieve word variants: (("cuadernos digitales de informacion.") OR ("cuadernos civitas de informacion."))*.