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
nhung cong » dung cong, thong cong, hang cong
ngang toan » nganh toan, dang toan, quang toan
tranh cua » doanh cua, manh cua
cua nhung » va nhung
dan toan » van toan, dan than, manh toan

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