Contents: Chapters: 1 - Integrating theories and terminology. Language contact. Borrowing. Code-switching. Language contact, language policy and borrowing history in Vietnam. 2 - Corpus, method and sampling. HOA HOC TRO corpus. Language in HOA HOC TRO. Readership of HOA HOC TRO. Representativeness of HOA HOC TRO. Data collection & annotation of English borrowings. Data analysis. 3 - Prevalence & distribution of English borrowings. 4 - Linguistic nativisation of English borrowings. Orthographic adaption. Semantic change. Change of part of speech. Wordplay. Code-switching. 5 - Conclusion. Appendices. References. Index.