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

Try widening your search to All Fields.

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

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