First, read the English article below.

Some securities get ingrained in us from an early age. Some children are harshly criticized or ignored and have a tendency to develop low self esteem. Other people develop insecurity when they fail for the first time at something, or are in a new environment. Know how your insecurities develop, and what makes them worse, to handle them better. There are ways to change your perspective on yourself so that you can begin to feel good about yourself. However, it is a long process.  The brain can grow and change long after our bodies reach their permanent size, a phenomenon called brain plasticity.  This allows you to learn or to change your thinking patterns at any age.  By changing your thoughts, you can ultimately change your behavior.  You can do CBT by yourself or with a therapist. Keep in mind that, if you find any of the steps difficult, you should see a therapist who is knowledgeable about CBT to help you. The first step in CBT is to identify your thought patterns. Many people who have negative thoughts about themselves believe they are not worth very much, and they will also believe that there is little they can do to change the situation. You need to begin to change the way you think about yourself by first acknowledging how you feel. Being self aware can be difficult at first. Well meaning friends wishing to help you may just tell you to “get over it” and recognize your strengths.  There’s more to it than merely making the decision to change. You should start a journal of all the thoughts you have a day, both positive and negative. Write down the situations that surrounded the event, what your feelings were, and how you handled the situation. This will help you examine your thought patterns over time so you can start changing the negative thinking.  Be honest with yourself in the journal. You need to know all your different thoughts to get a full picture. The more honest you are, the more you can change your behavior.  Be consistent. Write about everything that you think is important; or, everything... 

Now, please write a short abstract for it in Vietnamese. Abstract:
Tìm hiểu nguồn gốc của những mặc cảm này. Nghiên cứu về Liệu pháp Nhận thức Hành vi - LPNTHV (Cognitive Behavioral Therapy). Định nghĩa tư duy của bạn. Bắt đầu viết nhật ký. Chấp nhận rằng những suy nghĩ của bạn là có căn cứ. Thay đổi suy nghĩ của bạn. Học cách chịu đựng. Tập luyện.