Perhaps you should try some spelling variations:
ncanh tinh » nhanh tinh, thanh tinh, hanh tinh
quang dang » quang dung, quang dong, quang hoang
dang trong » dung trong, dong trong, lang trong
hien xanh » hien hanh, hien nhanh, chieu xanh
canh tinh » hanh tinh, manh tinh, canh tranh
trong san » trong cac, cong san, dong san
san toan » van toan, dan toan, manh toan
toan ban » van ban

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 - ((canh tinh) or (ncanh tinh)) quang dang trong san toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - ((canh tinh) OR (ncanh tinh)) quang dang trong san toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - ((canh tinh) or (ncanh tinh)) quang dang trong san toan ban*.