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 » hanh trinh, hanh trang, lanh tranh
nhung cong » dung cong, thong cong, hang cong
ngang toan » nganh toan, quang toan
cua nhung » va nhung
dang toan » dang tran, dan toan, dung 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) OR (canh tranh)) cua nhung cong ((ngang toan) or (dang toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - ((hanh tranh) OR (canh tranh)) cua nhung cong ((ngang toan) OR (dang toan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - ((hanh tranh) OR (canh tranh)) cua nhung cong ((ngang toan) or (dang toan)) cao".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - ((hanh tranh) OR (canh tranh)) cua nhung cong ((ngang toan) or (dang toan)) cao*.