Perhaps you should try some spelling variations:
relations history » religion history
group relations » intergroup relations
maria relations » arab relations, imperial relations, mexican relations
colombia group » colombia growth, colombia geo, colombia gorgona
colombia maria » colombia maestria

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

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