Perhaps you should try some spelling variations:
nganh nong » nganh cong
cach thoi » cac thoi, cach thuc, cach noi
hoc nganh » hoc nhanh
thoi dai » hoc dai, hoi dap, hoi dan
nong hoc » dong hoc, nang hoc, nong thon
nhan dan » phan dau, gian dan, nhan tai
su cach » su sach, tu cach, su cac
hoi cua » hoi chuc
nhan va » nhan tai, nhan tao, phan van
mo hoc » mon hoc, co hoc
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 cach thoi dai, nghien cuu mo hoc nganh nong hoc xa hoi cua ((nhan dan) or (nhan va))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cach thoi dai, nghien cuu mo hoc nganh nong hoc xa hoi cua ((nhan dan) OR (nhan va)).
• Adding a wildcard symbol may retrieve word variants: su cach thoi dai, nghien cuu mo hoc nganh nong hoc xa hoi cua ((nhan dan) or (nhan va))*.