Complex sentence: He was lucky to study in a Trung Thanh level school, so he soon felt sensitive to cultural life and art of urban youth with "a wish to open a small bookshop and freely read the new books".
Split into simpler sentences: He was lucky to study in a Trung Thanh level school, so he soon felt sensitive to the cultural life and art of urban youth. He soon wished "to open a small bookshop and freely read the new books".