Perhaps you should try some spelling variations:
"biblioteca basica de administracion publica" » "biblioteca basica de administracio publica" (Expand Search), "biblioteca basica de administracion local" (Expand Search), "biblioteca basica la administracion publica" (Expand Search), "biblioteca basica i administracio publica" (Expand Search), "biblioteca basica i administracion publica" (Expand Search), "biblioteca basica la administracionn publica" (Expand Search), "biblioteca basica dret administratiun publica" (Expand Search)
"biblioteca basica de administracio local" » "biblioteca basica i administracio local" (Expand Search), "biblioteca basica la administracion local" (Expand Search), "biblioteca basica dret administratiu local" (Expand Search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"biblioteca basica de administracion publica\") OR (\"biblioteca basica de administracio local\"))~".
• Removing quotes may allow a broader search: (( biblioteca basica de administracion publica ) OR ( biblioteca basica de administracio local ))~.
• Adding a wildcard symbol may retrieve word variants: (("biblioteca basica de administracion publica") OR ("biblioteca basica de administracio local"))*.