You can make use of Google Search Console to drive more organic traffic to your website. It’s a free tool. If you have a Gmail ID you get started using this tool.
Search Console will help you understand how well your website is performing in the search engine results page. The first section you need to look at is the Errors section, It will display the errors which are stoping your webpages ranking on SERP.
Errors could be Crawl errors, Responsive errors and schema markup code errors. You should keep an eye and on this and fix the error to rank well.
The second section is the performance tab, where you can have a list of keywords for which your website is driving clicks and impression. Copy those keywords and try to optimize the respective page content around these keywords to rank for not just the primary keywords but, other relevant keywords as well.
In this way, you can rank a single page for multiple keywords which help to drive more organic traffic to your site.