Implementing SEO techniques for your website does not always generate instant outcomes. You need to wait for some time to see the website listing. Sometimes, it can take 4-7 days, while for some; the wait gets longer, up to 6months. You cannot point to a fixed period as it varies largely.
With the right and effective SEO hacks, your website gets crawled by Google crawlers quickly. After that, the indexing can take some more time. On average, you can expect a show-up within a few weeks if the implementations go fine.