I cant get sitelink for my ecommerce website ?

I have one dought out of rich snippet / ??


when i type a keyword in google search result related to e-commerce site online shopping , i found this kind of search result for other website but i cant found in my website search result . I also check in schema code it not found in competitor site . can any one guide me . i have send the screen shot , please have a look and give in detail.