Perhaps you should try some spelling variations:
nganh thong » nganh khong, nganh cong, nhanh chong
goc nganh » hoc nganh, hoc nhanh, cac nganh
thong hoc » thuong hoc, tuong hoc, thong hoa
danh nhan » doanh nhan, thanh nhan, benh nhan
sach hoc » sach hoi, mach hoc, sach duoc
cach hoc » cach thuc, cach thoi, dich hoc
hoi danh » hop danh, hoi dan, hoc danh
nhan dan » phan dau, gian dan, nhan tai
cuu mot » cua mot, cuu mo, huu mot
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: su ((sach hoc) or (cach hoc)) tap, nghien cuu mot goc nganh thong hoc ma hoi danh nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach hoc) OR (cach hoc)) tap, nghien cuu mot goc nganh thong hoc ma hoi danh nhan dan.
• Adding a wildcard symbol may retrieve word variants: su ((sach hoc) or (cach hoc)) tap, nghien cuu mot goc nganh thong hoc ma hoi danh nhan dan*.