=IFERROR(INDEX($A$2:$A$11,MATCH(0,COUNTIF($C$1:C1,$A$2:$A$11),0)),"")
=IFERROR(INDEX($A$2:$A$11,SMALL(MATCH($A$2:$A$11,$A$2:$A$11,0), SUM((COUNTIF($A$2:$A$11,$C$1:C1)))+1)),"")