The guy doesn't know what he is talking about. What happens in Google Chrome is that if you have visited a site before, it appears in the type ahead results. Because he has visited jw.org more than any other site starting with jw, it now appears as soon as he types the jw.
You cannot pay Google to be top of the search list, but you can pay to be in the Google's ad related results. Their algorithm is based on a large number of factors, including your website history, cookies, location, and demographics if you are logged in. It also shows related searches based on what other people are searching on.