What i want to do was:
1. Play Minecraft
2. Build river side house/castle
3. do F3+H and then go to my creative menu
4. Search for stonebrick [type with no space (and "stonebrick is the ID)
5. Everything goes down as planned

What i get instead was:
1. Play Minecraft
2. Build river side house/castle
3. do F3+H and then go to my creative menu
4. Search for stonebrick [type with no space (and "stonebrick is the ID)
5. Nothing came up. . .
6. Confused and then report to bugs.mojang.com (great link check it out)

I got two screenshot. One from 1.12 pre-7 and the other is from 1.11.2