I recently found a handy way to do some theme-based, in-depth keyword research.
Start with what you know as your “head phrases,” the short phrases that form the “root” of many of your keyphrase variations.
Use a tool like SEMRush‘s phrase match report to find other, related phrases along with estimated search volumes, CPC costs and number of results on Google.
Use this data to generate data visualizations so you can SEE your keywords:
Click the image to get to an interactive keyword research data visualization .