Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh khoa
nganh nong » nganh cong
sach hoc » cach hoc, sach hoi, mach hoc
phan van » pham van, thanh van, luan van
te sach » toc sach
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: te sach hoc tap, nghien cuu mon hoc ((nganh khong) OR (nganh nong)) hoc xa hoi va phan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach hoc tap, nghien cuu mon hoc ((nganh khong) OR (nganh nong)) hoc xa hoi va phan van".
• Adding a wildcard symbol may retrieve word variants: te sach hoc tap, nghien cuu mon hoc ((nganh khong) OR (nganh nong)) hoc xa hoi va phan van*.