// Get the VideoCampaignService.
VideoServiceInterface videoService = adWordsServices.get(session, VideoServiceInterface.class);
// Create a selector.
VideoSearchSelector selector = new VideoSearchSelector();
selector.setSearchType(VideoSearchSelectorSearchType.VIDEO);
selector.setQuery(query);
selector.setPaging(new Paging(0, PAGE_SIZE));
// Run the query.
VideoSearchPage page = videoService.search(selector);
// Display videos.