Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
cthanh van » thanh san, thanh va, khanh van
hoc chieu » hoc thieu, ho chieu, hoc hien
thanh van » thanh san, thanh toan, thanh phan
cua tong » cua cong, cua nong, cua song
cua dong » chua dong, cua cong, cua dang
cong tan » cong tac, cong san, cong thanh
tran cao » toan cao, tran chau, trang cho

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 - ((cthanh van) or (thanh van)) ((cua tong) or (cua dong)) cong tan tran cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - ((cthanh van) OR (thanh van)) ((cua tong) OR (cua dong)) cong tan tran cao.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - ((cthanh van) or (thanh van)) ((cua tong) or (cua dong)) cong tan tran cao*.