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