Perhaps you should try some spelling variations:
"venezuela, republics bulgariaa _" » "venezuela, republics bulgaria _", "venezuela, republic bulgaria _", "venezuela, public bulgaria _"
"venezuela, republica ovarian _" » "venezuela, republica bolivariana _", "venezuela, republica nacion _", "venezuela, republica paris _"

Try widening your search to All Fields.

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 ovarian _") OR ("venezuela, republics bulgariaa _")).
• Removing quotes may allow a broader search: (( venezuela, republica ovarian _ ) or ( venezuela, republics bulgariaa _ )).
• Adding a wildcard symbol may retrieve word variants: (("venezuela, republica ovarian _") or ("venezuela, republics bulgariaa _"))*.