Unfortunately, it is not possible to use a discount code together with another discount code or a gift voucher. You can only apply one of the 2.
Common subjects...
<% if (articles.length) { %>
<% articles.forEach(function(article) { %>
<% } else { %>
<%= article.title %>
<% }); %>
<%= Util.getExcerpt(article.body, 0) %>
empty
<% } %>