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