Perhaps you should try some spelling variations:
"1998 brazilian central election" » "1998 brazilian federal election", "1998 brazilian scenario election", "1998 brazilian cerrado election", "1998 brazilian central electron", "1998 brazilian central reflection", "1998 brazilian general election", "19th brazilian central election", "18 brazilian central election", "16th brazilian central election"
"12th brazilian central election" » "12th brazilian federal election", "12th brazilian scenario election", "12th brazilian cerrado election", "12th brazilian central electron", "12th brazilian central reflection", "12th brazilian general election", "2 brazilian central election"

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