Use the checkboxes in the sidebar to choose which subset of events you want to see.
You can import any subset of results into your personal calendar, depending on what's important to you. Filter for the subset you care about. After hitting "Apply", highlight and copy the following text:
Alternatively, right-click on the red and white iCal icon at the bottom of the resulting calendar and copy the link.
In Google Calendar:
- go to "Other Calendars" and select "Add."
- Select "Add by URL."
- Paste in the link.
In other applications, such as iCal for Mac, this process of adding a calendar may be may be termed "Subscribe." You can subscribe to as many different filters/subsets as you like.