Why don't FNaF games all appear on steam when you search for them

If you want your FNAF games on steam to be more exciting, Here's some art (I didn't make any of it) : r/fivenightsatfreddys

Five Nights at Freddy's World has been removed from Steam

Steam Community :: Guide :: Five Nights at Freddy's 1 - Strategy Guide

Five Nights at Freddy's: Security Breach, Triple A Fazbear Wiki

I made a fake Steam page for the FNaF Movie. : r/fivenightsatfreddys

Five Nights at Freddy's World' removed from Steam

Five Nights at Freddy's 4 on Steam

I'm experiencing a weird issue in FNAF 1 where the screen kinda wobbles around and ends up making it look slightly distorted like this. No other games on my PC do this.

Five Nights at Freddy's': How To Watch Online, Pricing, Availability.

Everything You Need To Know About The 'Five Nights At Freddy's' Controversy And Scott Cawthon

Steam Workshop::Five Nights at Freddys (FNaF) Wallpaper

How to Play the Five Nights at Freddy's Games in Chronological Order - IGN

Five Nights at Freddy's': Where to Watch Online and Play Games – The Hollywood Reporter

Buy Five Nights at Freddy's: Security Breach (PC) - Steam Account - GLOBAL - Cheap - !

Five Nights at Freddy's' Crosses $100M Box Office: How Universal Created a Hit – Deadline