Perhaps you should try some spelling variations:
"cultura materiales e_ colombia." » "cultural materiales e_ colombia.", "cultura material e_ colombia.", "cultura materiales en colombia.", "cultura materiales _ colombia.", "cultura materiales el colombia.", "cultura materiales a colombia.", "cultura materiales _ colombian."
"cultural economica n colombia." » "cultura economica n colombia.", "cultural economics n colombia.", "cultura economia n colombia.", "cultural economica en colombia.", "cultural economica un colombia.", "cultural economica y colombia.", "cultural economica _ colombia.", "cultural economica a colombia."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("cultura materiales e_ colombia.") or ("cultural economica n colombia."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("cultura materiales e_ colombia.") OR ("cultural economica n colombia."))*.
• Removing quotes may allow a broader search: (( cultura materiales e_ colombia. ) or ( cultural economica n colombia. ))*.