Perhaps you should try some spelling variations:
hien nhanh » thien thanh, tien thanh, dien thanh
hanh trinh » canh tranh, hanh chinh
thanh tung » thanh cong
hien hanh » dieu hanh
hang cong » dang cong, hang nong, bang cong
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan cau » toan cao, toan ban, toan tap
va hang » van hang, va nang, va lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien nhanh) or (hien hanh)) - ((hanh trinh) or (thanh tung)) va hang cong van toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien nhanh) OR (hien hanh)) - ((hanh trinh) OR (thanh tung)) va hang cong van toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien nhanh) or (hien hanh)) - ((hanh trinh) or (thanh tung)) va hang cong van toan cau*.