Perhaps you should try some spelling variations:
nganh nong » nganh cong
cach thuc » anh thuc, cac thu
hoc nganh » hoc nhanh
thu cach » thuc cach, thu canh, tu cach
thuc tap » tuc tap, thuc thai, thuc vat
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
thuoc xa » thuoc ma, thuoc va, thuoc tai
thuoc la » thuoc ma, thuoc va, thuoc tai
nhan van » nhan dan, nhan va, phan van
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 thuc tap, nghien cuu cong hoc nganh nong ((thuoc xa) or (thuoc la)) hoi ca nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu cach thuc tap, nghien cuu cong hoc nganh nong ((thuoc xa) OR (thuoc la)) hoi ca nhan van.
• Adding a wildcard symbol may retrieve word variants: thu cach thuc tap, nghien cuu cong hoc nganh nong ((thuoc xa) or (thuoc la)) hoi ca nhan van*.