How to get more sales on Amazon

I’m a new seller on Amazon, selling women Dresses, I’hv uploaded good quality pictures, done with the descriptions and all the required content, Also I searched for the keywords ( the ones with less search results and the exact match for the print, the fabric and the design my products are in and after all this I’m not getting any sales, what shall I do to improve this, please help.

Also I’m posting my Amazon products links on my Pinterest (I have an account solely for promotion) its fine right we can post the link there? Please help.