Perhaps you should try some spelling variations:
administracion colombia » administration colobia, administrativo colombia, administracion economica
"Public publica administracion Colombia" » "Public justicia administracion Colombia", "Public la administracion Colombia", "Public para administracion Colombia"
public publica » public policy
"public public administration colombia" » "public policy administration colombia"

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: (("Public publica administracion Colombia") or ("public public administration colombia"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("Public publica administracion Colombia") OR ("public public administration colombia")).
• Removing quotes may allow a broader search: (( Public publica administracion Colombia ) or ( public public administration colombia )).
• Adding a wildcard symbol may retrieve word variants: (("Public publica administracion Colombia") or ("public public administration colombia"))*.