Suggested searches are included on the results page based on your initial search.
Click the filter button (label="show or hide filters") on the results page to bring up options for limiting results. Results can be filtered by video length, when the video was posted, video resolution, the source of the video, and whether the video is free or paid.
Searches all of Google's indexed sites for videos, not just Google-owned YouTube.
Click the "Tools" button on the results page to get filtering options. You can limit results by duration, video quality, how recently the videos were posted, whether they have closed captions, and by the source of the video.
Using the Advanced Search gives you the same control as the Tools with additional options for entering search words.
Google will use information it has gathered, including watch history, to suggest videos and adjust search results.
On the results page click the "Filters" button (label="Open search filters") to bring up options to adjust your results. Options include upload date, type of result, duration, and video features such as close captions, resolution, and Creative Commons license. You can also adjust how the results are sorted.