Need help? Check out Spotify Answers for solutions to a wide range of topics.
If you don't see the songs/albums you are looking for here:
The reason is that the artist or their music label has likely decided to remove it from Spotify.
The availability of songs on Spotify is up to the artist and their music label.
Spotify has no control over what content is available.
Sometimes it is only available in certain countries, while access is blocked to others.
Sometimes the album or song will be unavailable temporary, and come back again later.
You can find out more information here