Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
thong cong » trong cong, tong cong, thong thong
tuong va » truong va, thuong va, luong va
va thong » va thuong, va phuong, he thong
cong dan » cong san, cong tan, huong dan
toan cao » toan tap
toan ban » van ban

You may be able to get more results by adjusting your search query.

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