Full armature not connect with body, some bone left

I made human armature, while i selected body and then armature and apply automatic weight paint only chest bone and one aonther more bone (two bone able to connect with my body. I saw vertex group there is only show two bone details only. Please help support what i am missing.

Some screenshots, or a link to the file might help people figure out what’s wrong.

Did you get any kind of a warning like “Bone heat weighting failed for one or more bones”?