Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
hanh trinh » canh tranh, hanh chinh
dung cong » dung trong
van dung » van dong, xay dung, tin dung
cong tac » cong ty
tac van » tac vang, cac van, tac va

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - ((((thanh trung) or (thanh tung))) or (hanh trinh)) van dung cong tac van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((((thanh trung) OR (thanh tung))) OR (hanh trinh)) van dung cong tac van ban.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((((thanh trung) or (thanh tung))) or (hanh trinh)) van dung cong tac van ban*.