Perhaps you should try some spelling variations:
"biblioteca basica la administracionnn publica" » "biblioteca basica la administracion publica" (Expand Search), "biblioteca basica la administracio publica" (Expand Search), "biblioteca basica de administracion publica" (Expand Search), "biblioteca basica la administracionnnn publica" (Expand Search), "biblioteca basica i administracionnn publica" (Expand Search), "biblioteca basica de administracionnnn publica" (Expand Search)
"biblioteca basica la administracio local" » "biblioteca basica la administracion local" (Expand Search), "biblioteca basica i administracio local" (Expand Search), "biblioteca basica de administracion local" (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: (("biblioteca basica la administracio local") OR ("biblioteca basica la administracionnn publica"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"biblioteca basica la administracio local\") OR (\"biblioteca basica la administracionnn publica\"))".
• Removing quotes may allow a broader search: (( biblioteca basica la administracio local ) OR ( biblioteca basica la administracionnn publica )).
• Adding a wildcard symbol may retrieve word variants: (("biblioteca basica la administracio local") OR ("biblioteca basica la administracionnn publica"))*.