Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
tran thuan » tran tuan, trong thuan, tran thanh
thuan cong » thuat cong, thuan phong, thuan trong
cong tuong » cong thuong, cong truong, cong trong
hien xanh » hien hanh, chieu xanh, hien khanh
manh tran » manh toan, manh tuan, canh tranh
tuong dan » huong dan, tung dan, xuong dan
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)) - manh tran thuan cong tuong dan toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) OR (hien nhanh)) - manh tran thuan cong tuong dan toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) OR (hien nhanh)) - manh tran thuan cong tuong dan toan cao*.