Complex sentence: His publications are most often referred to using his family name, Bùi, which comes before his given name by Vietnamese name convention, but his inventions are remembered under his given name Phong, since it is conventional to address Vietnamese persons by their given name.
Split into simpler sentences: His publications are most often referred to using his family name, Bui, which comes before his given name by Vietnamese convention. His inventions are remembered under his given name Phong, since it is conventional to address Vietnamese persons by their given name.