# Why do you say, Jacob, and declare, Israel

"Why do you say, O people of Israel"

# My way is hidden from Yahweh

"Yahweh does not know what happens to me" 

# my God is not concerned about my vindication

Possible meanings are 1) "my God is not concerned about others treating me unjustly" or 2) "my God is not concerned about treating me justly."