Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hanh trang » thanh trung, canh tranh, minh trang
dung cong » dung trong
theo chi » theo chu, theo chieu, theo nghi
chi lang » thi lan, chi van, hoi lang
cong dan » cong san, cong tan, huong dan
toan cao » toan ban
toan tap » toan ban
va dung » van dung, va duong, vat dung

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo chi lang - ((hanh trang) or (hanh trinh)) va dung cong dan ((toan cao) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chi lang - ((hanh trang) OR (hanh trinh)) va dung cong dan ((toan cao) OR (toan tap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chi lang - ((hanh trang) or (hanh trinh)) va dung cong dan ((toan cao) OR (toan tap))*".