Perhaps you should try some spelling variations:
republica bolivarian » republica bolivariana, republic bulgaria
republics bulgaria » republic bulgaria, public bulgaria
republic bolivia » republic bohemia, republic moravia, republic political

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( venezuela, ((((republica bolivarian) OR (republics bulgaria))) OR (republic bolivia)) _ ) OR ( venezuela, ((((republica bolivarian) OR (republics bulgaria))) OR (republic bolivia))a _ )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( venezuela, ((((republica bolivarian) OR (republics bulgaria))) or (republic bolivia)) _ ) or ( venezuela, ((((republica bolivarian) OR (republics bulgaria))) or (republic bolivia))a _ ))".
• Adding a wildcard symbol may retrieve word variants: (( venezuela, ((((republica bolivarian) OR (republics bulgaria))) or (republic bolivia)) _ ) or ( venezuela, ((((republica bolivarian) OR (republics bulgaria))) or (republic bolivia))a _ ))*.