Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
hanh tranh » canh tranh, hanh trinh, hanh trang
nhung cong » dung cong, thong cong, hang cong
tranh cua » doanh cua, manh cua
cua nhung » va nhung
thanh cac » hanh cac, thanh bac, thanh ca
cong ban » cong bang, cong san, cong tan
than cao » toan cao, thai cao, than cap

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 - hanh tranh cua nhung cong ban ((than cao) or (thanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - hanh tranh cua nhung cong ban ((than cao) OR (thanh cac)).
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh tranh cua nhung cong ban ((than cao) or (thanh cac))*.