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

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) OR (doi dap)), nghien cuu cong co 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) OR (doi dap)), nghien cuu cong co nganh khoa hoc mai khoi va nhan tao".
• Adding a wildcard symbol may retrieve word variants: su sach ((doi tap) OR (doi dap)), nghien cuu cong co nganh khoa hoc mai khoi va nhan tao*.