Bootstrap kártya(card) elrendezésből lehet valahogy 3 sorba elhelyezni soronként 3 kártyát?

<div class="row">
  <div class="col-sm-4">
    <div class="card">
      <div class="card-body">
        <h5 class="card-title">1. Special title treatment</h5>
        <p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
        <a href="#" class="btn btn-primary">Go somewhere</a>
      </div>
    </div>
  </div>
  <div class="col-sm-4">
    <div class="card">
      <div class="card-body">
        <h5 class="card-title">2. Special title treatment</h5>
        <p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
        <a href="#" class="btn btn-primary">Go somewhere</a>
      </div>
    </div>
  </div>
  <div class="col-sm-4">
    <div class="card">
      <div class="card-body">
        <h5 class="card-title">3. Special title treatment</h5>
        <p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
        <a href="#" class="btn btn-primary">Go somewhere</a>
      </div>
    </div>
  </div>
</div>