Elementos lado a lado bootstrap

HTML

<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<div class="container">
  <div class="row">
    <div class="pesquisa col-md-6">

      <form id="filter">
        <label>Filtre tickets pelo nome: </label>
        <input class="form-control" type="text" [(ngModel)]="termo" name="termo" />
      </form>

    </div>
    <div class="col-md-6">
      <label>Filtros adicionais</label>
      <div class="dropdown">

        <a href="#" class="btn opcoes">
          Opções <span class="caret"></span>
        </a>

        <ul>
        </ul>

      </div>
    </div>
  </div>
</div>