Perhaps you should try some spelling variations:
cach tranh » canh tranh, sach tranh, cac thanh
kki thuat » ki thuat, khoi thuat, ky thuat
cac nganh » hoc nganh
nganh ke » nganh ky, nganh kiem, nganh che
ke thuat » ky thuat, ki thuat, ve thuat
thuat do » thuat o
thu cac » tu cac, thu xac, thu cuc
ky thua » ky thuat, ky thu, kxy thuat
tu cach » tu cac
van hoc » van hoa
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: (( thu cac nganh ke thuat do hoc ) or ( tu cach tranh ((ky thua) or (kki thuat)) van hoc ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thu cac nganh ke thuat do hoc ) OR ( tu cach tranh ((ky thua) OR (kki thuat)) van hoc )).
• Adding a wildcard symbol may retrieve word variants: (( thu cac nganh ke thuat do hoc ) or ( tu cach tranh ((ky thua) or (kki thuat)) van hoc ))*.