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 cao » toan ban, toan tap
luat » luan, xuat

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 thuong ((cong dan) or (cong tan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nha hieu tang - hanh trinh luat thuong ((cong dan) OR (cong tan)) toan cao.
• Adding a wildcard symbol may retrieve word variants: nha hieu tang - hanh trinh luat thuong ((cong dan) or (cong tan)) toan cao*.