Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hieu tang » nhieu tang, hieu lang, hieu tieng
nha hieu » nha dieu, nghe hieu, phan hieu
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tap
luat » luan

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

• Performing a fuzzy search may retrieve terms with similar spellings: nha hieu tang - hanh trinh (luat OR xuat) thuong ((cong dan) or (cong tan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nha hieu tang - hanh trinh (luat OR xuat) thuong ((cong dan) OR (cong tan)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "nha hieu tang - hanh trinh (luat OR xuat) thuong ((cong dan) or (cong tan)) toan cau".
• Adding a wildcard symbol may retrieve word variants: nha hieu tang - hanh trinh (luat OR xuat) thuong ((cong dan) or (cong tan)) toan cau*.