By understanding your audience and their search intent, you can start to build a list of relevant keywords that will attract the right kind of traffic to your product listing.
One of the easiest ways to start building a list of potential keywords for your Amazon PPC campaigns is to use Amazon’s auto-suggest feature. This feature is built into Amazon’s search bar and offers suggestions as users start typing in their search query.
https://medium.com/amazon-selling-strategies/how-to-find-winning-keywords-for-your-amazon-ppc-campaigns-fdb836ab7eb6
