Perhaps you should try some spelling variations:
"secret ballot" » "secreta ballot", "secretos ballot", "secretas ballot"
"secreto ballot" » "secretao ballot", "secretoso ballot", "secretaso ballot"
"secretoso ballot" » "secretaoso ballot", "secretososo ballot", "secretasoso ballot"
"secretaoso ballot" » "secretaaoso ballot", "secretosaoso ballot", "secretasaoso ballot"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("secret ballot") OR ((("secreto ballot") OR ((("secretoso ballot") OR ("secretaoso ballot"))))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"secret ballot\") OR (((\"secreto ballot\") OR (((\"secretoso ballot\") OR (\"secretaoso ballot\"))))))".
• Removing quotes may allow a broader search: (( secret ballot ) OR ((( secreto ballot ) OR ((( secretoso ballot ) OR ( secretaoso ballot )))))).
• Adding a wildcard symbol may retrieve word variants: (("secret ballot") OR ((("secreto ballot") OR ((("secretoso ballot") OR ("secretaoso ballot"))))))*.