Perhaps you should try some spelling variations:
trong chong » trong chuong, trong phong, trong khong
hien nhanh » hien hanh, thien thanh, tien thanh
hien xanh » hien hanh, chieu xanh, hien khanh
tranh cua » doanh cua, manh cua
dong toan » dung toan, bong toan, cong toan
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: hoc ((hien xanh) OR (hien nhanh)) - canh tranh cua ((trong chong) or (trong cong)) dong toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien nhanh)) - canh tranh cua ((trong chong) OR (trong cong)) dong toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) OR (hien nhanh)) - canh tranh cua ((trong chong) or (trong cong)) dong toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) OR (hien nhanh)) - canh tranh cua ((trong chong) or (trong cong)) dong toan cau*.