Nguyễn Thị Hồng Vân provides tips for learning English effectively in 3 main sections. To learn vocabulary, she recommends learning 10 new words every day through flashcards and real-world exposure. She also suggests categorizing words systematically by subject, phrasal verbs, and idioms. For speaking practice, she advises speaking naturally despite mistakes and using the internet to communicate with others. Overall, she concludes that learning English is not difficult if you apply suitable tips and hopes readers' skills will improve effectively.