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)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("biblioteconomia dret administratiun cultural ;") OR ("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 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 dret administratiun cultural ; ))) OR ((( biblioteconomia de administracion local ; ) OR ( biblioteconomia dret administratiu local ; ))))*.