about glass breaker 1 enchantment

[cosmic295]

i combined glassbreaker enchantment with my pickaxe which has magnetic 1 and triumph 3 and the glass breaker 1 is not working, when i had it in a pickaxe where there was no any other enchantment it worked but after combing it is not working. should the glass breaker 1 enchantment should be the only enchantment to work?? pls help me out guys :)