Perhaps you should try some spelling variations:
thang long » thanh cong
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
hang nong » han tong
ho trieu » mot trieu, 25 trieu, 30 trieu
van toan » van tuan, van tan, van thanh
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho trieu tinh - hanh trinh cua ((hang nong) or (thang long)) van toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho trieu tinh - hanh trinh cua ((hang nong) OR (thang long)) van toan cau.
• Adding a wildcard symbol may retrieve word variants: ho trieu tinh - hanh trinh cua ((hang nong) or (thang long)) van toan cau*.