If you have exact match instances of key-phrases on low-quality pages, mostly these pages won’t have all the compound ingredients it takes to rank high in Google in 2016.
I was working this, long before I understood it partially enough to write anything about it.
Here is a few examples of taking a standard page that did not rank for years and then turning it into a topic oriented resource page designed around a user’s intent:
Google, in many instances, would rather send long-tail search traffic, like users using mobile VOICE SEARCH, for instance, to high-quality pages ABOUT a concept/topic that explains relationships and connections between relevant sub-topics FIRST, rather than to only send that traffic to low-quality pages just because they have the exact phrase on the page.
Article published on http://www.hobo-web.co.uk/