If you already have a well-formed list of contextual phrases, but the coverage is less than you would like, you can expand the coverage without adding new phrases manually. The system will analyze your list, select similar relevant phrases, and complete the list.
To expand your coverage the list:
- Open the desired list of contextual phrases (the "Audience" tab → " Contextual targeting»)
- On the list page, move the "Expand coverage" slider to the right.