Tube buddy is your best friend in helping achieve this. Ultimately though it depends on your niche. If you make videos on a small but popular subject, you're on to a winner. However of you're making videos on say gaming, you'll have it harder to rank. The trick really is finding good keywords to target with high search and low competition. Tube buddy helps a lot with that so is worth getting. You should also write catchy titles with the keyword in it, and a long description using those keywords too. So say you're making a video on how to catch fish. Instead of using the generic term 'how to catch fish' because it's way too competitive, you need to focus it down more to be something like 'how to catch sea bass' So your title could be something like 'Fishing tips | how to catch sea bass' you'd use those 2 phrases as tags as well, and use them a few times throughout your description as well. Also make sure you use all of the 500 character tag limit if you can. It's nor guaranteed, but you'll have a much better chance of ranking if your SEO is on point