Perhaps you should try some spelling variations:
nhanh mang » nhanh lang, hanh mang, nhanh quang
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
theo dieu » theo tieu, theo chieu, thuoc dieu
cua nhung » va nhung
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo dieu hanh - ((nhanh mang) or (hanh trinh)) cua nhung cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo dieu hanh - ((nhanh mang) OR (hanh trinh)) cua nhung cong san toan cau.
• Adding a wildcard symbol may retrieve word variants: theo dieu hanh - ((nhanh mang) or (hanh trinh)) cua nhung cong san toan cau*.