Perhaps you should try some spelling variations:
"venezuela, republic bulgaria _" » "venezuela, republics bulgaria _", "venezuela, republic hungary _", "venezuela, republic belarus _", "venezuela, rerepublics bulgaria _", "venezuela, repolicy bulgaria _"
"venezuela, public bulgaria _" » "venezuela, republics bulgaria _", "venezuela, policy bulgaria _"

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