Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
nganh dong » nganh cong, nhanh dong, nganh nong
dong thuoc » dung thuoc, dang thuoc, don thuoc
hoc nganh » hoc nhanh
sach hoc » cach hoc, sach hoi, mach hoc
cuu tong » cuu cong, cuu tinh, huu tung
tong hoc » tuong hoc, thong hoc, trong hoc
thuoc ma » hoc ma, duoc ma
phan van » pham van, thanh van, luan van
nhan tao » nhan tai, nhan dan
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: thuat sach hoc tap, nghien cuu tong hoc nganh dong thuoc ma hoi va ((phan van) or (nhan tao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach hoc tap, nghien cuu tong hoc nganh dong thuoc ma hoi va ((phan van) OR (nhan tao)).
• Adding a wildcard symbol may retrieve word variants: thuat sach hoc tap, nghien cuu tong hoc nganh dong thuoc ma hoi va ((phan van) or (nhan tao))*.