Perhaps you should try some spelling variations:
"biblioteconomia la administracion publical ;" » "biblioteconomia la administracion publica ;" (Expand Search), "biblioteconomia la administracio publica ;" (Expand Search)
"biblioteconomia de administracion cultura ;" » "biblioteconomia de administracion publica ;" (Expand Search)

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

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