Boost bool query 2

I would like to search a document in two fields : name + words.
I want to boost the score if the word searched is in the field name.
I search the word "google".
As you can see, the second result has a better score than the third.
But the third should be the second because it has the word "google" in the field name.

Could you explain me why the boost doesn't work please ?

Please don't cross post Boost bool query