Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
cong thanh » cong trinh, truong thanh
dong thanh » truong thanh
trang cua » tranh cua, tang cua, trung cua
30 trieu » 25 trieu
cong tan » cong tac, cong san, cong ty
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: 30 trieu tinh - hanh trang cua ban ((cong tan) or (((cong thanh) OR (dong thanh)))) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: 30 trieu tinh - hanh trang cua ban ((cong tan) OR (((cong thanh) OR (dong thanh)))) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "30 trieu tinh - hanh trang cua ban ((cong tan) or (((cong thanh) OR (dong thanh)))) toan ban".
• Adding a wildcard symbol may retrieve word variants: 30 trieu tinh - hanh trang cua ban ((cong tan) or (((cong thanh) OR (dong thanh)))) toan ban*.