Perhaps you should try some spelling variations:
thanh trung » thanh tung
hien nhanh » hien hanh, thien thanh, tien thanh
hang luong » nang luong, hang thuong, hoang vuong
hien xanh » hien hanh, chieu xanh, hien khanh
luong dan » huong dan, luong dao, luong van
van hang » van khang, van hoang, van thang
dan toan » van toan, dan than, manh toan
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: hoc ((hien xanh) or (hien nhanh)) - ((canh tranh) or (thanh trung)) van hang luong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien nhanh)) - ((canh tranh) OR (thanh trung)) van hang luong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (hien nhanh)) - ((canh tranh) or (thanh trung)) van hang luong dan toan cao*.