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

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

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