Perhaps you should try some spelling variations:
hanh trinh » canh tranh
cong thanh » dong thanh, cong trinh, cong tan
thanh tran » thanh trang, thanh toan, thanh tra
hieu lang » chieu sang, hieu quang, nhieu tang
dong cong » duong cong, dung cong, dang cong
cua dong » chua dong, cua cong, cua dang
tran cau » tran chau, toan cau, ran cau
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - ((hanh trinh) OR (hanh chinh)) cua dong cong thanh tran cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - ((hanh trinh) OR (hanh chinh)) cua dong cong thanh tran cau".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - ((hanh trinh) OR (hanh chinh)) cua dong cong thanh tran cau*.