Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
nhanh lang » nhanh quang, nhanh thang, nhan dang
cong dan » cong tan, cong dong, cong tac
cong san » cong tac
than cau » toan cau, phan cau, than cap
lang va » lang van, hang va, lang ha

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 - nhanh lang va nhung ((((cong dan) OR (huong dan))) or (cong san)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - nhanh lang va nhung ((((cong dan) OR (huong dan))) OR (cong san)) than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - nhanh lang va nhung ((((cong dan) OR (huong dan))) or (cong san)) than cau".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - nhanh lang va nhung ((((cong dan) OR (huong dan))) or (cong san)) than cau*.