Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
thiet hach » thien hach, thuyet hach, thiet hai
hanh trang » thanh trung, canh tranh, minh trang
hanh trinh » canh tranh, hanh chinh
cua thuong » cua truong, cua phuong, ca thuong
hoc thiet » hoc thieu, hoc thuyet, hoc hien
cong hach » cong sach, cong thanh, cong khanh
hach toan » thanh 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: hoc thiet hach - ((hanh trang) or (hanh trinh)) cua thuong cong hach toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet hach - ((hanh trang) OR (hanh trinh)) cua thuong cong hach toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thiet hach - ((hanh trang) or (hanh trinh)) cua thuong cong hach toan cau*.