Permanently deleting files problem

in centos 6.5
i click "empty trash" icon ( in trash folder ) (root user )
my files delete from trash folder but not from hard disk ( space of hard disk does not change )
Where are the deleted files ?
i click "empty trash" icon ( in trash folder ) (root user )
my files delete from trash folder but not from hard disk ( space of hard disk does not change )
Where are the deleted files ?