As you haven't told us much about what else you have been doing (and I really hope that you have), there's a lot to tell. First, you should do more SEO (keywords, meta tags etc.), then try email campaigns (it seems to works really good for e-commerce if the emails were designed well). Also, social media accounts would be really helpful, you can run advertisements there as well. And you can try Google Ads, for most businesses it works really good.
It always depends on your niche, your budget and your target audience. There are so many other marketing strategies, you can Links removed by Site Staff so it doesn't look like you're spamming us. Please don't post them again. and choose what suits you more.