Or, shouldn't it be: "GOD BLESSES YOU"? I mean, since God is third person in singular.

'Cause I have always known that the phrase doesn't house a verb, while the sentence does. Even there's an expression of "PHRASAL VERBS". How is that so?

I think (THAT) the main problem on the answers (THAT) you get is that the problem is not the answers (THAT) you get, BUT THE QUESTION ITSELF. 'Cause in native English, although it is proper using the word "THAT" as shown above, IT

As you can notice on your first example: TRYING TO FIX YOUR CAR AGAIN? not only you leave out a Subject, but also a Verb. 'Cause in a formal speech it should be, ARE YOU TRYING TO FIX YOUR CAR AGAIN? And, I believe that the reason for that

Is this expression an Imperative sentence? or, Shouldn't it be: I HOPE YOU HAVE A NICE DAY! In which case it would be an Indicative mode followed by a Subjuntive.