YouTube Search Operators: The best part of about these operators is that they can be used in combination. For example, if you want to search for John Oliver videos in HD published in last one month, then your query becomes Note: Don’t get deluded with the unexpected search results. Sometimes the searched word may not be in the title but present in the description or comments of the video. Trivia: Did you know that YouTube is the world’s second largest search engine. My favorite commands are live, hd and date range. Let us know in comments which one of these advance YouTube video search commands you use the most.