It's showing a corelation between grow of intrest on the term "Bitcoin halving" and the grow in the price since May.
how accurate that first one is, I don't know and is open for debate
i think you are trying to compare two things that has no relation. it would be like comparing apples and oranges.
people searching the term "bitcoin halving" has nothing to do with price and effect of halving on the price.
arguing about whether or not halving is priced in is another topic but it surely has nothing to do with how much people are searching the term.