Complex sentence: He took a BA Honours degree in Modern Chinese Language and Literature (Mandarin) at the University of London, then studied for three years in China (Peking University and Lingnan University), returning to take a PhD in Chinese Linguistics at Cambridge.
Split into simpler sentences: He took a BA Honours degree in Modern Chinese Language and Literature (Mandarin) at the University of London. He then studied for three years in China (Peking University and Lingnan University), returning to take a PhD in Chinese Linguistics at Cambridge.