Perhaps you should try some spelling variations:
gestion integral » gestion integrada (Expand Search), atencion integral (Expand Search)
"Gestión integral del fronteras" » "Gestión integral de frontera" (Expand Search), "Gestión integral en fronteras" (Expand Search), "Gestión integral das fronteiras" (Expand Search), "Gestión integral y fronteras" (Expand Search)
"Gestión integral de fronteras" » "Gestión integral las fronteras" (Expand Search), "Gestión integral la frontera" (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: (("Gestión integral del fronteras") OR ("Gestión integral de fronteras"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"Gestión integral del fronteras\") OR (\"Gestión integral de fronteras\"))".
• Removing quotes may allow a broader search: (( Gestión integral del fronteras ) OR ( Gestión integral de fronteras )).
• Adding a wildcard symbol may retrieve word variants: (("Gestión integral del fronteras") OR ("Gestión integral de fronteras"))*.