Perhaps you should try some spelling variations:
hanh trang » thanh trung, hanh trinh, minh trang
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
khi hanh » thi hanh, chi hanh, thi thanh
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan tap » toan 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: doi ((khi hanh) OR (chi nhanh)) - ((hanh trang) OR (canh tranh)) cua nhung cong tac toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((khi hanh) OR (chi nhanh)) - ((hanh trang) or (canh tranh)) cua nhung cong tac toan tap~".
• Adding a wildcard symbol may retrieve word variants: doi ((khi hanh) OR (chi nhanh)) - ((hanh trang) or (canh tranh)) cua nhung cong tac toan tap*.