Popular Searches are not showing up in Autocomplete

Problem

Typing in search box does not show any keywords from Popular Searches:

Steps to troubleshoot

1. From the Workbench tab, go to Keyword Search > Autocomplete to make sure the Popular Searches section is enabled:
   
2. If this is enabled, click on the "Update Popular Searches" button to review the settings:
   
   1. Check the keywords that are being pulled for Popular Searches by clicking on the "Show top 50 Matching Keywords" button - if there aren't that many keywords returned here, you can try expanding the Date Range or lowering the minimum number of searches:
      
   2. Check the exclusion section to see whether or not the specific keyword you're testing has been included here: