Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, truong thanh
nhung cong » dung cong, thong cong, hang cong
tieu sach » chieu sach, dien sach, te sach
tran tuan » tran xuan, tran quang, tran thanh
cong anh » cong danh, dong anh, hong anh
tuan cau » toan cau, quan cau, tuan cu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sach - thanh ((trung tuan) OR (tran tuan)) nhung cong anh tuan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu sach - thanh ((trung tuan) OR (tran tuan)) nhung cong anh tuan cau".
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - thanh ((trung tuan) OR (tran tuan)) nhung cong anh tuan cau*.