[help] want two blog on my site

My website want two blog .

1st blog me call "Article"

2nd blog me call "Problem and solution"

I try to do like tutorial[http://docs.elgg.org/wiki/Tutorials/Blog] but i don't understand it can do add.php and all.php

but all.php page the title not link and I want my_blog show on the menu bar and can search like blog

what should i do? 

It have plugins?

PS.Sorry am not a programmer but i will try. Thx u