Let me introduce my morning routines about for learning English. Let me introduce my morning routine for learning English.

A routine (no "s") is a series of actions, so you don't need to make it plural here. I suggest "for" instead of "about" because "for" expresses "in order to..." while about is closer to "regarding" or "on the topic of..."

With these books, I am able to learn grammars and vocabulariesy as well. With these books, I am able to learn grammar and vocabulary as well.

I understand you are learning multiple grammar rules and multiple words. However, "grammar" and "vocabulary" are the common usage, ever when referring to multiple grammar rules and words.

If I have a time during working, I try to read English books or listen to podcasts or watch YouTube contents. If I have time during work, I try to read English books or listen to podcasts or watch YouTube.

Writing "YouTube contents" is unnecessary. Watching YouTube is, without need for explanation, watching videos.

They releasieve my stresses and help my input skills. They relieve my stress and help my input skills.

"Release" and "relieve" have similar meaning, but "relieve" is a little more common in this context, I think. Also, you can use the singular form of the noun "stress" here to refer to stress in general.

Lastly and most importantly, I write and English journaljournal in English before going to bed. Lastly and most importantly, I write and journal in English before going to bed.

When writing it, I try to use dictionaries and google to make sentences as long as I can write. When writing, I try to use dictionaries and google to make sentences as long as I can.

It is little difficult, but it is fun because I can present my thoughts to sentences in English. It is little difficult, but it is fun because I can present my thoughts in English.