Perhaps you should try some spelling variations:
"guerra fria - aspectos social OR aspectos socio es - colombia" » "guerra fria - aspecto social OR aspectos socio es - colombia", "guerra fria - aspectos sociales OR aspectos socio es - colombia", "guerra fria - aspect social OR aspectos socio es - colombia", "guerra fria - aspectos social OR aspecto social es - colombia", "guerra fria - aspectos social OR aspectos sobre es - colombia", "guerra fria - aspectos social OR aspectos asociados es - colombia"
"guerra fria - aspectos social OR aspectos socio - colombia" » "guerra fria - aspecto social OR aspectos socio - colombia", "guerra fria - aspectos sociales OR aspectos socio - colombia", "guerra fria - aspect social OR aspectos socio - colombia", "guerra fria - aspectos social OR aspecto social - colombia", "guerra fria - aspectos social OR aspectos sobre - colombia", "guerra fria - aspectos social OR aspectos asociados - 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: (("guerra fria - ((aspectos social) OR (aspectos socio))es - colombia") or ("guerra fria - ((aspectos social) OR (aspectos socio)) - colombia"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("guerra fria - ((aspectos social) OR (aspectos socio))es - colombia") OR ("guerra fria - ((aspectos social) OR (aspectos socio)) - colombia")).
• Removing quotes may allow a broader search: (( guerra fria - ((aspectos social) OR (aspectos socio))es - colombia ) or ( guerra fria - ((aspectos social) OR (aspectos socio)) - colombia )).
• Adding a wildcard symbol may retrieve word variants: (("guerra fria - ((aspectos social) OR (aspectos socio))es - colombia") or ("guerra fria - ((aspectos social) OR (aspectos socio)) - colombia"))*.