The box to the right will allow you to search ONLY for video in OneSearch. It is set up to do a KEYWORD only search.
When searching, enter a few distinctive words for what you are looking for. For example, to search for Shakespeare's A Midsummer Night's Dream, enter Shakespeare Midsummer. Enter ONLY the most distinctive words to ensure you get the broadest possible search.
For a more complex search, go to the full version of OneSearch.