Perhaps you should try some spelling variations:
"venezuela, republica bolivarian _" » "venezuela, republica bolivariana _", "venezuela, republic bolivia _", "venezuela, republic bulgaria _", "venezuela, republica bolivariana de", "venezuela, republica ovarian _", "venezuela, republica bolivia _"
"venezuela, republics bulgariaa _" » "venezuela, republics bulgaria _", "venezuela, republic bulgaria _", "venezuela, republica bolivariana _"
"venezuela, public bulgaria _" » "venezuela, republic bulgaria _", "venezuela, republics bulgaria _", "venezuela, policy bulgaria _"

Try widening your search to All Fields.

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("venezuela, republica bolivarian _") OR ((("venezuela, public bulgaria _") OR ("venezuela, republics bulgariaa _")))).
• Removing quotes may allow a broader search: (( venezuela, republica bolivarian _ ) or ((( venezuela, public bulgaria _ ) or ( venezuela, republics bulgariaa _ )))).
• Adding a wildcard symbol may retrieve word variants: (("venezuela, republica bolivarian _") or ((("venezuela, public bulgaria _") or ("venezuela, republics bulgariaa _"))))*.