Problem with youtube

Hello there

I have a problem while uploading videos on it. Since 5 days my videos that i have uploaded arent showing on youtube . These videos are up not flaged ore something like that they are perfectly fine but i cant find them on youtube search :/ i even have uploaded on niches with 0 competiton and i cant find my videos either . What is the problem ? How can i solve this pls i need a little help

Thank you

You need to optimize the video to rank it Google search results otherwise it won't show in top 10 results.