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