Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
dung cong » dung trong
ho trieu » mot trieu, 25 trieu, ho chieu
30 trieu » 25 trieu
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
tran cau » tran chau, toan cau, ran cau

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho trieu) OR (30 trieu)) tinh - ((hanh trang) OR (hanh chinh)) cua dung cong tan tran cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho trieu) OR (30 trieu)) tinh - ((hanh trang) or (hanh chinh)) cua dung cong tan tran cau~".
• Adding a wildcard symbol may retrieve word variants: ((ho trieu) OR (30 trieu)) tinh - ((hanh trang) or (hanh chinh)) cua dung cong tan tran cau*.