Perhaps you should try some spelling variations:
thong chuong » thong thuong, thong huong, thong chuon
chuong tinh » chuong trinh, khuong tinh, thuong tinh
hanh trinh » canh tranh, hanh chinh
mot chieu » doi chieu, ho chieu
trinh va » trinh van, trinh vat, trinh ve
va thong » va thuong, va phuong, he thong
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 tieu) or (mot chieu)) xanh - hanh trinh va thong chuong tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tieu) OR (mot chieu)) xanh - hanh trinh va thong chuong tinh toan ban*.