Perhaps you should try some spelling variations:
nganh nong » nganh cong
thuoc tai » nuoc tai, hoc tai, thuoc ma
cach thoi » cac thoi, cach thuc, cach noi
thanh van » thanh san, thanh toan, thanh phan
hoc nganh » hoc nhanh
thoi tap » toi tap, hoc tap, thoi dai
thuoc la » thuoc ma, thuoc va, thuoc ban
ca thanh » cua thanh, cac thanh, va thanh
thu cach » thuc cach, thu canh, tu cach
mon hoc » toan hoc, dong hoc
cuu mon » cuu mo, cuu mot, cuu cong
hoi ca » hoi cua, hoi cac, hoi cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu cach thoi tap, nghien cuu mon hoc nganh nong ((thuoc tai) or (thuoc la)) hoi ca thanh van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu cach thoi tap, nghien cuu mon hoc nganh nong ((thuoc tai) OR (thuoc la)) hoi ca thanh van*.