Whether you're adding keywords for a new project or an existing project in the Rank Tracker, you will need to do so in the "Add Keywords" section. See image below: 

This search filter has the ability to search multiple keywords and/or phrases in two fields; "Keyword" or "URL".  Each keyword or URL should be separated by a comma.  

For keywords and/or phrases entered into this search filter, we will find all rows where any of your specified words or phrases are present, in any order.