使用TabLayout的片段内的ScrollView不滚动，为什么？

im a noob in android development and i was in a introduction course of Cryptography so i decide combine both and make this app. I use a TabLayout for making a tab for each cipher method (RSA and XOR), and one tab for Instructions and Help. Everything was working perfectly until i add a scrollView in the Help Tab with the instructions. The scrollView is not scrolling, and i don´t know why, i've been searching on web for help and doing every posible solution like change the width an height ScrollView properties, i'm stuck, can you help me please? im a noob in android development and i was in a