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