Perhaps you should try some spelling variations:
"biblioteconomia la administracion local ;" » "biblioteconomia la administracio local ;" (Expand Search), "biblioteconomia i administracio local ;" (Expand Search)
"biblioteconomia dret administratiun local ;" » "biblioteconomia dret administracio local ;" (Expand Search)
"biblioteconomia dret administratiu local ;" » "biblioteconomia dret administracio local ;" (Expand Search)
"biblioteconomia de administracion cultural ;" » "biblioteconomia i administracio cultural ;" (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 de administracion cultural ;") OR ((((("biblioteconomia la administracion local ;") OR ("biblioteconomia dret administratiun local ;"))) OR ("biblioteconomia dret administratiu local ;"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"biblioteconomia de administracion cultural ;\") OR (((((\"biblioteconomia la administracion local ;\") OR (\"biblioteconomia dret administratiun local ;\"))) OR (\"biblioteconomia dret administratiu local ;\"))))*".
• Removing quotes may allow a broader search: (( biblioteconomia de administracion cultural ; ) OR ((((( biblioteconomia la administracion local ; ) OR ( biblioteconomia dret administratiun local ; ))) OR ( biblioteconomia dret administratiu local ; ))))*.