Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
hanh trang » thanh trung, canh tranh, hanh trinh
thong cong » trong cong, tong cong, thong thong
hoc chieu » hoc thieu, ho chieu, hoc hien
cua thong » cua thuong, cua khong, cua tong
cong tan » cong tac, cong san, cong thanh
toan cao » toan ban, toan tap

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