Create Image Snippet in Google Mobile Search Result

Create Image Snippet in Google Mobile Search Result

When performing a keyword search on Google search (Mobile) (Luxury Car) device (Ipad/Phone) it doesn't show photos gallery snippets of cars like other websites does. It only show 1 photo instead. I want more cars photos to be in snippets like the red ferrari.

---

Requirements

WordPress

I've implemented SRCSET, SCHEMA Markup, but it doesn't work

---

Skills Required

SEO SCHEMA WP DESIGN