Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong van » cong vang, song van, cong tan
cong san » cong tac
toan tap » toan ban

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 tinh - hanh tranh cua nhung ((cong van) OR (cong san)) toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu tinh - hanh tranh cua nhung ((cong van) OR (cong san)) toan tap".
• Adding a wildcard symbol may retrieve word variants: theo chieu tinh - hanh tranh cua nhung ((cong van) OR (cong san)) toan tap*.