Perhaps you should try some spelling variations:
nganh nong » nganh cong
cach thoi » cac thoi, cach thuc, cach noi
hoc nganh » hoc nhanh
sach hoi » sach doi, sach moi, hoach hoi
nong hoc » dong hoc, nang hoc, nong thon
phan van » pham van, thanh van, luan van
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
va phan » van phan, va phat, va phap
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sach hoi) or (cach thoi)) tap, nghien cuu mon hoc nganh nong hoc xa hoi va phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach hoi) OR (cach thoi)) tap, nghien cuu mon hoc nganh nong hoc xa hoi va phan van.
• Adding a wildcard symbol may retrieve word variants: su ((sach hoi) or (cach thoi)) tap, nghien cuu mon hoc nganh nong hoc xa hoi va phan van*.