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
cong thanh » dong thanh, cong trinh, cong tan
tranh cua » doanh cua, manh cua
cua khong » hua khong, cua phuong, cua thuong
cong dan » cong san, cong tan, huong dan
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 khong ((cong dan) OR (cong thanh)) toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - hanh tranh cua khong ((cong dan) OR (cong thanh)) toan cao".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - hanh tranh cua khong ((cong dan) OR (cong thanh)) toan cao*.