Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
nhanh mang » hanh mang, nhanh quang, nhanh thang
nhanh lang » nhanh quang, nhanh thang, nhan dang
nhung cong » dung cong, thong cong, hang cong
thanh lap » thanh san, phan lap, thanh hai
cong dan » cong san, cong tan, huong dan
than cap » khan cap, thanh cac, than cua

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 mang) or (nhanh lang)) va nhung cong dan ((than cap) OR (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - ((nhanh mang) OR (nhanh lang)) va nhung cong dan ((than cap) OR (thanh lap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - ((nhanh mang) or (nhanh lang)) va nhung cong dan ((than cap) OR (thanh lap))*".