Try fishing these patterns as part of a team of two or three flies, use a heavy fly on the point with lighter patterns on the droppers , this way you will cover more depths and hopefully catch more fish.
Hook: Fulling Mill 31165 Super Heavyweight Grub
Sizes: 8-10
Thread: Olive
Body: ¾ Yellow Thread and ¼ Holographic Red
Thorax: Olive Thread
Rib: Medium Olive Flexi Floss
Cheeks: Orange Goose Biots
Breathers: Poly Prop Yarn White
Head: Olive Thread
Then Apply 2-3 Coats Of Cellire Clear Varnish On The Body and Thorax Of The Fly