multy rec collision!

Hi,

Not sure why my rectangle tables wont collide?

I want the red rectangle to collide with the green rectangle!

here is what I mean hope anyone can help me

can for loop fix my problem or is there another way to do it base on how I made it???

Please help. 

I didn't find the right solution from the Internet. 

References:-
https://love2d.org/forums/viewtopic.php?f=4&t=80152

Thanks!