scanning doesn't see mu Samsung phone A8

hello ,
I have started a new project , and went back to basic because something isn't working for me
simple scan for devices and print them
this is the code:

NRF.setAdvertising({}, {name: "Test3"});

var s=setInterval(function(){
LED1.write(false);
NRF.findDevices(function(devices) {
  if (devices.length>0)
  {
    print("I found you :\n\r ");
    for(var i=0;i<devices.length;i++)
  {
    
    var time = (new Date()).toString();
    var rssi = devices[i].rssi;
    var MAC = devices[i].id;
    var name = devices[i].name;
    var manufacturer = devices[i].manufacturer;
    print (
         + " " +   time
         + " " +   MAC
         + " " +   rssi
         + " " +   name
         + "  " + manufacturer
    );
    
  } }
  LED1.write(true);    
 print ("**************************");               
}, 1000);},5000);

I can see devices found (none of them is my phone...)

I found you :
NaNMon Aug 10 2020 17:08:56 GMT+0300 00:0e:0b:0c:70:03 -77 undefined  19784
NaNMon Aug 10 2020 17:08:56 GMT+0300 7c:9a:12:f8:57:c3 -85 undefined  76
NaNMon Aug 10 2020 17:08:56 GMT+0300 28:af:35:20:89:9b -89 undefined  6
NaNMon Aug 10 2020 17:08:56 GMT+0300 68:bd:35:87:b2:2c -87 undefined  6
NaNMon Aug 10 2020 17:08:56 GMT+0300 60:d9:f3:7d:3e:a6 -87 undefined  76
**************************

everything is on the desk maybe 10 cm from the device
the samsung phone bluetooth is open
how could it be ?
did I miss something in the code?

Thanks ,