Perhaps you should try some spelling variations:
"pensamiento colombiana" » "pensamiento colombia" (Expand Search)
"pensamiento colombianas" » "pensamiento colombias" (Expand Search), "pensamiento colombianos" (Expand Search), "pensamiento colombiano" (Expand Search)
"pensamiento colombias" » "pensamiento colombia" (Expand Search), "pensamiento colombianos" (Expand Search), "pensamiento colombiano" (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: (("pensamiento colombiana") OR ((("pensamiento colombias") OR ("pensamiento colombianas"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"pensamiento colombiana\") OR (((\"pensamiento colombias\") OR (\"pensamiento colombianas\"))))*".
• Removing quotes may allow a broader search: (( pensamiento colombiana ) OR ((( pensamiento colombias ) OR ( pensamiento colombianas ))))*.