Perhaps you should try some spelling variations:
hanh trinh » hanh chinh
khong cang » thong cong, hong bang, khong dung
hua khong » hoa khong, cua khong, hoac khong
chi xanh » chi anh, chi danh, chi hanh
cang tan » cong tan, cung tan, tang tan
tan toan » tan tran, tap toan, van toan
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: doi ((chi xanh) or (chi nhanh)) - ((hanh trinh) or (canh tranh)) hua khong cang tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi xanh) OR (chi nhanh)) - ((hanh trinh) OR (canh tranh)) hua khong cang tan toan ban.
• Adding a wildcard symbol may retrieve word variants: doi ((chi xanh) or (chi nhanh)) - ((hanh trinh) or (canh tranh)) hua khong cang tan toan ban*.