fare una doppia ricerca nel db e mostrare i risultati separatamente

[cactua]

require_once('db_login.php'); 
$connection = mysql_connect( $db_host, $db_username, $db_password ); 
if (!$connection) 
{  
   die ("non e' stato possibile connettersi al database: 
" . mysql_error());  
}  
$db_select=mysql_select_db($db_database);  
if (!$db_select) 
{  
   die ("non e' stato possibile connettersi al database: 
" . mysql_error());  
}  

$query ="SELECT * FROM `utenti` WHERE `nome_utente` LIKE $name_r";  
$result = mysql_query($query, $connection) or die('Errore 2');  
$numrows = mysql_num_rows($result);  
$resrow = mysql_fetch_row($result); 
echo $resrow[0];


$query ="SELECT * FROM `utenti` WHERE `mail` LIKE $mail_r";  
$result = mysql_query($query, $connection) or die('Errore 2');  
$numrows = mysql_num_rows($result);  
$resrow = mysql_fetch_row($result); 
echo $resrow[2]; 

mi da errore 2