Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
thanh chau » thanh cha, thanh cham, thanh chu
hien xanh » hien hanh, chieu xanh, hien khanh
tranh cua » doanh cua, manh cua
trong van » trong cac
van thanh » ban thanh, van tuan
cua dung » cua dang, cua dong, qua dung

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 cua dung trong van thanh chau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) OR (hien nhanh)) - canh tranh cua dung trong van thanh chau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) OR (hien nhanh)) - canh tranh cua dung trong van thanh chau*.