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