Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
dang cong » dung cong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
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 cua) or (trung cap)) dang cong tan tran tan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((trung cua) OR (trung cap)) dang cong tan tran tan.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((trung cua) or (trung cap)) dang cong tan tran tan*.