Perhaps you should try some spelling variations:
"politica maritima integracion europea" » "politica maritima internacional europea" (Expand Search), "politica maritima integrada europea" (Expand Search), "politica maritimo internacional europea" (Expand Search), "politica juridica integracion europea" (Expand Search)
"politica maritima integracao europeia" » "politica maritima integrada europeia" (Expand Search), "politica maritima integracio europea" (Expand Search), "politica maritima integracao europeu" (Expand Search), "politica maritima integrada europea" (Expand Search), "politica juridica integracao europeia" (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: (("politica maritima integracao europeia") OR ("politica maritima integracion europea"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"politica maritima integracao europeia\") OR (\"politica maritima integracion europea\"))".
• Removing quotes may allow a broader search: (( politica maritima integracao europeia ) OR ( politica maritima integracion europea )).
• Adding a wildcard symbol may retrieve word variants: (("politica maritima integracao europeia") OR ("politica maritima integracion europea"))*.