Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
mach hoc » dich hoc, anh hoc, bac hoc
cach hoc » cach thuc, cach thoi, dich hoc
cuu tong » cuu cong, cuu tinh, huu tung
tong hoc » tuong hoc, thong hoc, trong hoc
khoa hoc » hoa hoc
va nhan » van nhan, ca nhan, va phan
nhan va » nhan tai, nhan dan, nhan tao
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((mach hoc) OR (cach hoc)) tap, nghien cuu tong hoc nganh khoa hoc xa hoi va nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((mach hoc) OR (cach hoc)) tap, nghien cuu tong hoc nganh khoa hoc xa hoi va nhan va".
• Adding a wildcard symbol may retrieve word variants: te ((mach hoc) OR (cach hoc)) tap, nghien cuu tong hoc nganh khoa hoc xa hoi va nhan va*.