Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, trung tam, tran tuan
tuan dong » tuan duong, quan dong, luan dong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tac » cong ty
tran tan » tran tuan, tran van, tran thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - thanh trung tuan dong ((cong san) OR (cong tac)) tran tan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh trung tuan dong ((cong san) OR (cong tac)) tran tan".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh trung tuan dong ((cong san) OR (cong tac)) tran tan*.