Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
cua hang » cua dang, cua nhung, cua cong
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
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: theo chieu xanh - hanh tranh cua hang ((((cong tan) OR (cong tac))) or (cong trinh)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - hanh tranh cua hang ((((cong tan) OR (cong tac))) OR (cong trinh)) toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - hanh tranh cua hang ((((cong tan) OR (cong tac))) or (cong trinh)) toan cao*".