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

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 dret administracion local"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"biblioteca basica la administracio local\") OR (\"biblioteca basica dret administracion local\"))*".
• Removing quotes may allow a broader search: (( biblioteca basica la administracio local ) OR ( biblioteca basica dret administracion local ))*.