Perhaps you should try some spelling variations:
"biblioteconomia i administracion publica ;" » "biblioteconomia i administracio publica ;" (Expand Search), "biblioteconomia i administracion local ;" (Expand Search), "biblioteconomia la administracion publica ;" (Expand Search), "biblioteconomia de administracion publica ;" (Expand Search)
"biblioteconomia i administracio cultural ;" » "biblioteconomia i administracio publical ;" (Expand Search)
"biblioteconomia i administracio cultura ;" » "biblioteconomia i administracio publica ;" (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 administracio cultural ;") OR ("biblioteconomia i administracion publica ;"))) OR ("biblioteconomia i administracion publica ;"))) OR ("biblioteconomia i administracio cultura ;"))) OR ("biblioteconomia i administracio local ;"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((((\"biblioteconomia i administracio cultural ;\") OR (\"biblioteconomia i administracion publica ;\"))) OR (\"biblioteconomia i administracion publica ;\"))) OR (\"biblioteconomia i administracio cultura ;\"))) OR (\"biblioteconomia i administracio local ;\"))".
• Removing quotes may allow a broader search: (((((((( biblioteconomia i administracio cultural ; ) OR ( biblioteconomia i administracion publica ; ))) OR ( biblioteconomia i administracion publica ; ))) OR ( biblioteconomia i administracio cultura ; ))) OR ( biblioteconomia i administracio local ; )).
• Adding a wildcard symbol may retrieve word variants: (((((((("biblioteconomia i administracio cultural ;") OR ("biblioteconomia i administracion publica ;"))) OR ("biblioteconomia i administracion publica ;"))) OR ("biblioteconomia i administracio cultura ;"))) OR ("biblioteconomia i administracio local ;"))*.