Perhaps you should try some spelling variations:
mexican revolution » mexicana revolucion, mexico evolucion
revolution history » revolutions history, evolution history, revolucion historia
religion history » region history
colombia mexican » colombia mexico, colombia medica, colombia america
colombia church » colombia cauca, colombia choco
church religion » church relations

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( colombia church religion history ) or ( colombia mexican revolution history ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( colombia church religion history ) OR ( colombia mexican revolution history )).
• Adding a wildcard symbol may retrieve word variants: (( colombia church religion history ) or ( colombia mexican revolution history ))*.