{% assign collections = 'premium-nida-jilbabs, jilbabs, premium-nida-jilbabs' | split: ',' %}
{% for collection in collections %}
{% collection collection %}
{% for product in collection.products %}
<div>
<a href="{{ product.url }}">
<img src="{{ product.featured_image.src | img_url }}" alt="{{ product.featured_image.alt }}">
<h3>{{ product.title }}</h3>
<p>{{ product.price | money }}</p>
</a>
</div>
{% endfor %}
{% endcollection %}
{% endfor %}