Perhaps you should try some spelling variations:
nganh cong » nhanh chong, thanh cong
hoc nganh » hoc nhanh
cong duoc » cong cuoc, dong duoc, cong duc
sach hoc » cach hoc, sach hoi, mach hoc
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
nhan tao » nhan tai
nhan dan » phan dau, gian dan, nhan tai
te sach » toc sach
duoc ma » duoc lam
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 hoc tap, nghien cuu cong hoc nganh cong duoc ma hoi va ((nhan tao) OR (nhan dan))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach hoc tap, nghien cuu cong hoc nganh cong duoc ma hoi va ((nhan tao) OR (nhan dan))".
• Adding a wildcard symbol may retrieve word variants: te sach hoc tap, nghien cuu cong hoc nganh cong duoc ma hoi va ((nhan tao) OR (nhan dan))*.