New song on the same paper?

Hallo! How can I add a new song on the same paper? I want to compose a few songs for children on the same paper but I can't found options for adding the new staff, new lines with free space for the Name of new song on the same paper. Theses songs are very short, it is not logic to writte new composition on the second paper, I want to use free space of the paper. Help! I hope somebody will understand what I need...