Perhaps you should try some spelling variations:
"estudios autonomica y federales ;" » "estudios autonomicos y federales ;" (Expand Search), "d'estudis autonomics y federales ;" (Expand Search), "estado autonomico y federales ;" (Expand Search), "estudios autonomico y federales ;" (Expand Search), "estudios autonomica en federales ;" (Expand Search), "estudios autonomica y federalismo ;" (Expand Search), "estudios autonomica _ federalism ;" (Expand Search)
"estudios autonomia y federales ;" » "estudios autonomicos y federales ;" (Expand Search), "d'estudis autonomics y federales ;" (Expand Search), "estudios autonomia y federalismo ;" (Expand Search), "estudios autonomia _ federalism ;" (Expand Search), "estudios autonomia del federales ;" (Expand Search)
"estudios autonomia de federales ;" » "estudios autonomicos de federales ;" (Expand Search), "d'estudis autonomics de federales ;" (Expand Search), "estudios autonomia de federalismo ;" (Expand Search), "estudios autonomia los federales ;" (Expand Search), "estudios autonomia do federal ;" (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: (("estudios autonomica y federales ;") OR ((("estudios autonomia y federales ;") OR ("estudios autonomia de federales ;"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"estudios autonomica y federales ;\") OR (((\"estudios autonomia y federales ;\") OR (\"estudios autonomia de federales ;\"))))".
• Removing quotes may allow a broader search: (( estudios autonomica y federales ; ) OR ((( estudios autonomia y federales ; ) OR ( estudios autonomia de federales ; )))).
• Adding a wildcard symbol may retrieve word variants: (("estudios autonomica y federales ;") OR ((("estudios autonomia y federales ;") OR ("estudios autonomia de federales ;"))))*.