Click on "Collections" on your Compass dashboard.
Hit +CREATE SAVED SEARCH
Decide if you want to create a search using keywords or genres or content provider or all three. You may have to play with the combination to see which one returns the results that best fits where you are using the embed.
Click "Save" and the videos will appear below.
To grab the embed, click on three dots to the right of the title. You will be given the option to select between two views of the video module, either with one video or with four.
1x3 Player Embed looks like this:
And Single Player Embed looks like this: