Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
nganh nong » nganh cong
sach hoc » cach hoc, sach hoi, mach hoc
vay luan » ly luan, von luan, bai luan
te sach » toc sach
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoi vay » hoi va, hoi hay
ma hoi » mai hoi, xa hoi, ma hoa

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach hoc tap, nghien cuu mon hoc ((nganh khoa) OR (nganh nong)) hoc ma hoi vay luan van~".
• Adding a wildcard symbol may retrieve word variants: te sach hoc tap, nghien cuu mon hoc ((nganh khoa) OR (nganh nong)) hoc ma hoi vay luan van*.