Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh toan, thanh tra
hanh trang » thanh trung, canh tranh, hanh trinh
hieu manh » chieu xanh, hieu nganh, hien hanh
dung cong » dung trong
qua dung » quang dung, su dung, qua song
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, 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 ((dieu hanh) or (hieu manh)) - ((hanh trang) or (thanh tran)) qua dung cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((dieu hanh) OR (hieu manh)) - ((hanh trang) OR (thanh tran)) qua dung cong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((dieu hanh) or (hieu manh)) - ((hanh trang) or (thanh tran)) qua dung cong dan toan cau*.