Perhaps you should try some spelling variations:
nganh nong » nganh cong
nong thuoc » dong thuoc, long thuoc, khong thuoc
hoc nganh » hoc nhanh
cach noi » cach thoi, hanh noi, anh noi
thuoc xa » thuoc ma, thuoc va, thuoc la
nhan dan » phan dau, gian dan, nhan tai
tu cach » tu cac
noi tap » toi tap, ngoai tap, noi tiep
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoi van » hoi va, hai van, hoi han
hoi dan » hoa dan, hoc dan, hoi dap

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

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