Perhaps you should try some spelling variations:
"biblioteconomia de administracion cultural ;" » "biblioteconomia de administracion local ;" (Expand Search), "biblioteconomia i administracio cultural ;" (Expand Search)
"biblioteconomia la administracion cultural ;" » "biblioteconomia la administracion local ;" (Expand Search), "biblioteconomia i administracio cultural ;" (Expand Search)

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• Performing a fuzzy search may retrieve terms with similar spellings: (("biblioteconomia de administracion cultural ;") OR ("biblioteconomia la administracion cultural ;"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"biblioteconomia de administracion cultural ;\") OR (\"biblioteconomia la administracion cultural ;\"))".
• Removing quotes may allow a broader search: (( biblioteconomia de administracion cultural ; ) OR ( biblioteconomia la administracion cultural ; )).
• Adding a wildcard symbol may retrieve word variants: (("biblioteconomia de administracion cultural ;") OR ("biblioteconomia la administracion cultural ;"))*.