Perhaps you should try some spelling variations:
"venezuela, republic bulgaria _" » "venezuela, republics bulgaria _", "venezuela, public bulgaria _", "venezuela, republic hungary _"
"venezuela, republic bolivia _" » "venezuela, republic bohemia _", "venezuela, republic moravia _", "venezuela, republic political _"
"venezuela, republica bolivariana _" » "venezuela, republica bolivarian _", "venezuela, republica bolivariana de", "venezuela, republica boliviana _"

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, republic bulgaria _") OR ((("venezuela, republica bolivariana _") OR ("venezuela, republic bolivia _")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"venezuela, republic bulgaria _\") or (((\"venezuela, republica bolivariana _\") OR (\"venezuela, republic bolivia _\"))))".
• Removing quotes may allow a broader search: (( venezuela, republic bulgaria _ ) or ((( venezuela, republica bolivariana _ ) OR ( venezuela, republic bolivia _ )))).
• Adding a wildcard symbol may retrieve word variants: (("venezuela, republic bulgaria _") or ((("venezuela, republica bolivariana _") OR ("venezuela, republic bolivia _"))))*.