Perhaps you should try some spelling variations:
chiet tach » chieu sach
ho chiet » ho chieu, ho thiet, hoc thiet
anh mang » hanh mang, anh bang, anh dang
mang cua » manh cua, dung cua, ban cua
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
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: ho chiet tach - anh mang cua ban ((cong tan) or (cong san)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - anh mang cua ban ((cong tan) OR (cong san)) toan cao.
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - anh mang cua ban ((cong tan) or (cong san)) toan cao*.