php search condition รบกวนดูเรื่องการค้นหาหลายเงื่อนไขทีครับ ทำไมไม่มีค่าออกครับ

<? 
include "connect.php";
  mysqli_select_db($cn, "db_emarketing");
	$reg_type = 2;
	$ddlcomprovincepeo = $_SESSION["ddlcomprovincepeo"];
	$ddlsex	= $_SESSION["ddlsex"];
	$ddlage	= $_SESSION["ddlage"];
	$ddleducate = $_SESSION["ddleducate"];
	$ddlsalaly = $_SESSION["ddlsalaly"];
	$ddlstatus = $_SESSION["ddlstatus"];
	
	$sqlSearch = "";
	if($reg_type !="") $sqlSearch .= " reg_type like '%$reg_type%' or ";
	if($ddlcomprovincepeo !="") $sqlSearch .= " province like '%$ddlcomprovincepeo%' or ";
	if($ddlsex !="") $sqlSearch .= " gender like '%$ddlsex%' or ";
	if($ddlage !="") $sqlSearch .= " age like '%$ddlage%' or ";
	if($ddleducate !="") $sqlSearch .= " people_educate like '%$ddleducate%' or ";
	if($ddlsalaly !="") $sqlSearch .= " people_salaly like '%$ddlsalaly%' or ";
	if($ddlstatus !="") $sqlSearch .= " status like '%$ddlstatus%' or ";
	if($sqlSearch != "") {
	$sqlSearch = substr($sqlSearch,0,$sqlSearch-3);
	$sqlSearch = " where ".$sqlSearch;
	}
	$sql1 = "select * from members ".$sqlSearch; 
	$result = mysqli_query($cn, $sql1);

	echo $result."<br>";
	echo $sqlSearch."<br>";
	echo $sql1."<br>";

 while($row = mysqli_fetch_array($result)){  
	  $name = $row[user];
	  $type = $row[reg_type];
	  $photo = $row[photo];
  }
	mysqli_close($cn);
?>