Perhaps you should try some spelling variations:
nganh nong » nganh cong
hoc nganh » hoc nhanh
cach hoc » cach thuc, cach thoi, dich hoc
nong hoc » dong hoc, nang hoc, nong thon
van nhan » van phan, van thanh, danh nhan
tu cach » tu cac
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoc mai » hoc ma, hoc dai, hoc bai
mai hoi » mai khoi, dai hoi, lai hoi
va nhan » ca nhan, va phan, va nha

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach hoc tap, nghien cuu mon hoc nganh nong hoc mai hoi ((va nhan) OR (van nhan)) van~.
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghien cuu mon hoc nganh nong hoc mai hoi ((va nhan) or (van nhan)) van*.