Perhaps you should try some spelling variations:
chanh tranh » canh tranh, hanh trinh, nhanh thanh
cac nganh » hoc nganh
kxy thuat » ky thuat, ki thuat, my thuat
nganh ma » nganh mac, nganh hoa, nganh y
ma thuat » my thuat, va thuat, mi thuat
thuat do » thuat o
tu chanh » tu hanh, tu thanh, tu chung
toan hoc » toan khoa, van hoc, hoa hoc
do hoc » co hoc, do hoa, du hoc

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( tu cac nganh ma thuat do hoc ) or ( tu chanh tranh kxy thuat toan hoc ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu cac nganh ma thuat do hoc ) OR ( tu chanh tranh kxy thuat toan hoc ))*.