Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
nhan tao » nhan tai, nhan dan
khoa hoc » hoa hoc
cuu cong » cua cong, thu cong, cac cong
co nganh » cac nganh, moi nganh, cua nganh
mai khoi » mai khoa, tai khoa, cac khoi
sach doi » sach hoi, sach moi, sach dao
va nhan » van nhan, ca nhan, va phan
khoi va » hoi va, khi va, choi va
su sach » so sach, vu sach
hoc mai » hoc ma, hoc dai, hoc bai
doi tap » doi tac, doi dap, doi tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach doi tap, nghien cuu cong ((co nganh) OR (hoc nganh)) khoa hoc mai khoi va nhan tao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach doi tap, nghien cuu cong ((co nganh) OR (hoc nganh)) khoa hoc mai khoi va nhan tao".
• Adding a wildcard symbol may retrieve word variants: su sach doi tap, nghien cuu cong ((co nganh) OR (hoc nganh)) khoa hoc mai khoi va nhan tao*.