Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
trung va » truong va, trang va, trung ha
va thong » va thuong, va phuong, he thong
cong san » cong tac
than cao » toan cao, thai cao, than cap
toan ban » van ban

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 - thanh trung va thong cong san ((than cao) or (((toan tap) or (toan ban))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - thanh trung va thong cong san ((than cao) OR (((toan tap) OR (toan ban)))).
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - thanh trung va thong cong san ((than cao) or (((toan tap) or (toan ban))))*.