There are a few different factors that will determine how quickly (or slowly) results will come.
This list includes some of it, but not limited to:
• How much content did you create for?
• What about the quality of the content?
• How the content resonates with your audience?
• If you’re a big or small site with strong or weak domain authority?
An extensive site could likely see results in a couple of days if a search engine is crawling their site gradually. Smaller sites will most likely take a longer period of time because they get crawled less frequently. You can wait at least a week, but probably closer to a month, before you think to change your SEO strategy.