relevant search

Google said: Google's goal is to return the best and most relevant results to people. But how to write the most relevant article? Sometimes I thought it will be the most relevant, but the performance in the google search console is very poor. so when i choose one niche, how to make the whole...

I know, There are some Google search tricks those really helps to find the relevant result on Search but I don't the right way to make a search that's I'm looking to know. I want to search only Australian based tech blogs, So what search tricks should I follow to find the relevant result?