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