TeX is a third-generation programming language used for high-level computation & software sketching — would put it under "Technology & Programming"

Mundo Lingo Argentina would fit under the category: Language Lessons & Courses

Chemistry is not required to break down the phrase, but since it doesn't give a specific category, I can still categorize based on usage. "NOTANISH DOSTLAR" could be categorized under "Language - not specified" since 'Notanish' is from Bengali and is the generic term for non-Bengali people. However, lack of context and the impossibility of defining actual category based on expression usage, meet those conditions set for Other / Unclassified.

Language Learning

Language & Social Sciences & Social Communities