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