Problem in compiz installation and vlc player

Hello,
i tried to install compiz wenever i try this in the terminal it shows sumthin lik this

kiolkissy@kiolkissy:~$ sudo apt-get install compizconfig-settings-manager
Reading package lists... Done
Building dependency tree
Reading state information... Donec insta
E: Couldn't find package compizconfig-settings-manager
kiolkissy@kiolkissy:~$

can u suggest wat sud i do??
the same problem is wid vlc installation.plz help me