leann/resources/views/search/index.blade.php

<form method="post" action="{{ route('search.results', 'search') }}">
    @csrf
    <div class="form-group">
      <label for="search">Search</label>
      <input type="text" class="form-control" name="search" >
    </div>
    <div class="form-group">
      <legend>Select table: </legend>
      <input type="radio" id="summarie" value="summarie" class="form-control" name="table" checked>
      <label for="summarie">Beers</label>
      <input type="radio" id="brewerie" value="brewerie" class="form-control" name="table" >
      <label for="">Breweries</label>
      <input type="radio" id="hops" value="hops" class="form-control" name="table" >
      <label for="">Hops</label>
      <input type="radio" id="yeasts" value="yeast" class="form-control" name="table" >
      <label for="">Yeasts</label>
    </div>
    <button type="submit" class="btn btn-primary">Search</button>
</form>