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 cultural ;" » "biblioteconomia i administracio cultural ;" (Expand Search)
"biblioteconomia la administracion cultural ;" » "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 ;") OR ("biblioteconomia la administracion local ;"))))~.
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• Removing quotes may allow a broader search: (( biblioteconomia de administracion cultural ; ) OR ((( biblioteconomia la administracion cultural ; ) OR ( biblioteconomia la administracion local ; )))).
• Adding a wildcard symbol may retrieve word variants: (("biblioteconomia de administracion cultural ;") OR ((("biblioteconomia la administracion cultural ;") OR ("biblioteconomia la administracion local ;"))))*.

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