Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
theo chieu » theo tieu, theo chu, thi chieu
hanh trinh » canh tranh, hanh chinh
cua thuong » cua truong, cua phuong, ca thuong
hanh tinh » nhanh tinh, thanh tinh, canh tinh
ho chieu » hoc thieu, doi chieu, mot chieu
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan tap » toan 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 chieu) OR (ho chieu)) tinh - ((hanh tinh) or (hanh trinh)) cua thuong cong tan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) tinh - ((hanh tinh) OR (hanh trinh)) cua thuong cong tan toan tap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (ho chieu)) tinh - ((hanh tinh) or (hanh trinh)) cua thuong cong tan toan tap*".