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

You may be able to get more results by adjusting your search query.

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