Perhaps you should try some spelling variations:
religion history » region history
state religion » serie religion, sobre religion
race religion » rome religion, race relations, clase religion
colombia raza » colombia ana, colombia ralf, colombia rafael
raza religion » saz religion, mayas religion, falsa religion

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( colombia ((race religion) OR (state religion)) history ) or ( colombia raza religion history ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( colombia ((race religion) OR (state religion)) history ) OR ( colombia raza religion history )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( colombia ((race religion) OR (state religion)) history ) or ( colombia raza religion history ))".
• Adding a wildcard symbol may retrieve word variants: (( colombia ((race religion) OR (state religion)) history ) or ( colombia raza religion history ))*.