Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
canh doanh » hanh doanh, chinh doanh, kinh doanh
luan nhung » luan chung, luan hung, quan nhung
duong manh » duong van
trong sinh » trong kinh, trong san
hien xanh » hien hanh, hien nhanh, chieu xanh
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 doanh) or (doanh doanh)) luan nhung ((duong manh) or (trong sinh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - ((canh doanh) OR (doanh doanh)) luan nhung ((duong manh) OR (trong sinh)) toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - ((canh doanh) or (doanh doanh)) luan nhung ((duong manh) or (trong sinh)) toan ban*.