Perhaps you should try some spelling variations:
cac nganh » hoc nganh
cau nganh » chuc nganh, cau danh, cua nganh
thuat hoa » thuat toan, thuyet hoa, thuat do
ma thuat » va thuat, mi thuat, cac thuat
my thuat » ki thuat, va thuat
nganh ky » nganh y, nganh xay, hanh ky
bao hoc » bai hoc, bao goc, bac hoc
su cac » tu cac, su cao, su can
bo cau » co cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( su cac nganh ((ma thuat) or (my thuat)) bao hoc ) or ( bo cau nganh ky thuat hoa hoc ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( su cac nganh ((ma thuat) OR (my thuat)) bao hoc ) OR ( bo cau nganh ky thuat hoa hoc )).
• Adding a wildcard symbol may retrieve word variants: (( su cac nganh ((ma thuat) or (my thuat)) bao hoc ) or ( bo cau nganh ky thuat hoa hoc ))*.