angular.module('destinationsApp', [])

  .controller('destinationsCtrl', function($scope, $http){
    $http.get('https://raw.githubusercontent.com/MAHUKI-Webdesign/suntrips.github.io/master/data.json').then(function(itemsResponse) {
      $scope.items = itemsResponse.data;
    });
});
<!DOCTYPE html>
<html>

  <head>
    <meta charset="utf-8" />
    <title>AngularJS Plunker</title>
    <script>document.write('<base href="' + document.location + '" />');</script>
    <link rel="stylesheet" href="style.css" />
    <script data-require="angular.js@1.5.x" src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.5.11/angular.min.js" data-semver="1.5.11"></script>
    <script src="app.js"></script>
  </head>

  <body>
        <div ng-app="destinationsApp" class="clearfix middle-header-wrapper tg-wrapper">

                <div id="ideaList">
                    <div ng-controller="destinationsCtrl" >

                            <div class="filter">
                                <p>Suchbegriff eingeben</p><input type="text" ng-model="search" />
                            </div>  
                            <div class="clearfix"></div>      
                            <div>Sort by: 
                                <select ng-model="sortExpression">
                                        <option value="idea.title">A-Z</option>
                                        <option value="destination.Dauer">Duration</option>
                                </select>
                            </div>
                            <div class="clearfix"></div>
                        <div class="container">
                            
                            <div ng-if="item.name == 'Thailand'" ng-repeat="item in items">
                                <div class="row" ng-repeat="idea in item.ideas | orderBy:mySortFunction | filter:search">
                                    <div class="col-xs-4 col-md-2">
                                        <div class="previewImg" style="background-image: url('{{idea.imageUrl}}') !important;"></div>
                                    </div>
                                    <div class="col-xs-8 col-md-8">
                                        <h4>{{idea.title}}</h4>
                                        <p class="truncate"><span ng-repeat="destination in idea.destinations"><b>{{destination.Dauer}}</b> {{destination.Ort}} </span></p>
                                    </div>
                                    <div class="col-xs-12 col-md-2">
                                        <a href="{{idea.ideaUrl}}" class="btn btn-default btn-lightblue"><span ng-show="price in item.ideas">schon ab XXXX €  <i class="fa fa-angle-right" aria-hidden="true"></i></span></a>
                                    </div>
                                </div>
                            </div>

                        </div>

                    </div>
                </div>

                <div id="bottomPills" ng-controller="destinationsCtrl" >
                    <h5>Weitere Kategorien</h5>
                    <div>
                        <a class="btn btn-default btn-green" ng-repeat="item in items" href="#0">{{item.name}}</a>
                    </div>
                </div>

            </div>
        </div>

  </body>

</html>
/* Put your css in here */