Are search engines unorganized?

When you search for something on the internet do you usually find exactly what you want

Do you think the website most detailed to your topic should show up first?

Since most people aren't looking for a one worded subject, but the search engines only notice one of those words at a time,this can result in a million results but the one you're looking for is not the first choice. Should search engines be required to notice the sentence as a whole