YouTube Unlisted Method Stopped Working

For around 3 days now I am struggling to rank youtube videos using the unlisted method.

It worked with every video but one day it stopped. When I know publish a video after it was unlisted for a while it is not even shown in the youtube search. It's not indexed. Even days after I published it!

The first time it happened I thought it was a bug but it happened 4 times now on 4 different accounts.

Do you guys have the same problem?

I'm in same problem.
2 weeks ago I had uploaded a video, I can't find it in search results page. It got only 72 views in 2 weeks though it deserves thousands.

Friends YouTube as unlisted method how can I come first? Please can you help me? For a long time I'm searching day and night. I could not find any information. My English is not good. Sorry. Is there someone who can tell me this method?

Sorry. unlisted procedure done. How do you now installing video . can you help me