Perhaps you should try some spelling variations:
nganh nong » nganh cong
sach hoi » sach doi, sach moi, cach thoi
nong hoc » dong hoc, nang hoc, nong thon
phap van » pham van, phan van, phap han
te sach » toc sach
hoi tap » hoi dap, hoc tap, hoi tai
mon hoc » toan hoc, dong hoc
va phap » va phat, ban phap
ma hoi » mai hoi, xa hoi, ma hoa

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

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