Perhaps you should try some spelling variations:
hanh trinh » hanh chinh
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
hoi hieu » hoi phieu, hoi tieu, moi hieu
nha hieu » nha dieu, nghe hieu, phan hieu
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoi hieu) or (nha hieu)) lang - ((hanh trinh) or (canh tranh)) cua nhung cong dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoi hieu) OR (nha hieu)) lang - ((hanh trinh) OR (canh tranh)) cua nhung cong dan than cap.
• Adding a wildcard symbol may retrieve word variants: ((hoi hieu) or (nha hieu)) lang - ((hanh trinh) or (canh tranh)) cua nhung cong dan than cap*.