Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, trung tam, tran tuan
cong thanh » dong thanh, cong trinh, cong tan
thanh than » thanh thanh, thanh thang, thanh toan
hoc chieu » hoc thieu, ho chieu, hoc hien
tong quan » thong quan, tong luan, luong quan
bang cong » dang cong, bang song, hang cong
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - thanh ((trung tuan) or (tong quan)) bang cong thanh than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - thanh ((trung tuan) OR (tong quan)) bang cong thanh than cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - thanh ((trung tuan) or (tong quan)) bang cong thanh than cau*.