You see 'to do' is to do a verb. It is the act of performing a deed, that is, performing a verb. Eg: painting means doing the act in which one paints something. Reading means doing the act which entails reading something.

Making is one of those verbs that you do. It entails creating something. Eg: Making a picture is to either sketch or paint a picture.

To make is to do something, but to do might not necessarily mean to make something. Eg: Making a picture is doing the act of sketching or painting, but doing some work like reading is not making something.

I hope this works but feel free to contact if there are any more doubts. Do not feel shy; everybody has difficulties learning a new language.

Hello Marcela. I am too used to struggle with do and make. But it's really simple. It come done to something called a collocation, and that basically is what is word that goes together. I had to learn them and to keep practicing and using them. I found this  of the Cambridge books called "collocation in use " and it help me a lot. 

For the word with do and make please take a look to this list I think it will help you

https://s-media-cache-ak0.pinimg.com/originals/49/11/b0/4911b02ac6d8bd95ef07d6c14e0394f3.png

also you can read this article

http://www.vocabulary.cl/Intermediate/Do_Make.htm

Keep learning and have a nice day.