How to do search with google

My son is 7 years old, and he told my wife that he saw a beautiful a nerf gun at store and wanted it as new year present. So my wife asked him to show her.

My son first typed nerf guns, but the pictures were nearly all red color. Then he typed nerf guns that are green. But it didn't look like what he saw yesterday. So he continued to type nerf guns that are green I saw it yesterday, I want to show to my mon

Nerf gun or Chrismas tree

My wife was talking about christmas clearance, and it's possible a good time to Chrismas tree today. And asked my son: If you can only get one gift, Chrismas tree or nerf gun? My son thought for a while, then chose Chrismas tree. My wife asked why, and he answered: After you buy Chrismas tree, I will have a nerf gun as the present under the tree?