Please use below html and shortcode in the contact form .you missed the checkbox and radio button values
<div class="custom-control custom-radio">
[radio customRadio id:customRadio1 class:custom-control-input "value4"]
<label class="custom-control-label" for="customRadio1">Something</label>
</div>
<div class="custom-control custom-radio">
[radio customRadio id:customRadio2 class:custom-control-input "value5"]
<label class="custom-control-label" for="customRadio2">Something</label>
</div>
<div class="custom-control custom-checkbox">
[checkbox checkbox1 id:customCheck1 class:custom-control-input "Value1"]
<label class="custom-control-label" for="customCheck1">Something</label>
</div>
<div class="custom-control custom-checkbox">
[checkbox checkbox2 id:customCheck2 class:custom-control-input "value2"]
<label class="custom-control-label" for="customCheck2">Something</label>
</div>