Perhaps you should try some spelling variations:
nganh thong » nganh khong, nganh cong, nhanh chong
sach duoc » sach nuoc, sach dao, sach dung
hoc nganh » hoc nhanh
thong hoc » thuong hoc, tuong hoc, thong hoa
mach hoc » cach hoc, dich hoc, anh hoc
nhan dan » phan dau, gian dan, nhan tai
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoc xa » hoc ma
hoi ca » hoi cua, hoi cac, hoi cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach duoc) OR (mach hoc)) tap, nghien cuu mon hoc nganh thong hoc xa hoi ca nhan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach duoc) OR (mach hoc)) tap, nghien cuu mon hoc nganh thong hoc xa hoi ca nhan dan".
• Adding a wildcard symbol may retrieve word variants: tu ((sach duoc) OR (mach hoc)) tap, nghien cuu mon hoc nganh thong hoc xa hoi ca nhan dan*.