Perhaps you should try some spelling variations:
nganh thong » nganh khong, nganh cong, nhanh chong
hoc nganh » hoc nhanh
thong hoc » thuong hoc, tuong hoc, thong hoa
sach doi » sach hoi, sach moi, sach dao
toan tai » doanh tai, toan ban, toan cao
toan tap » toan ban
so sach » so sanh, bo sach, co sach
doi dap » hoi dap, doi dau, do dap
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
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: so sach doi dap, nghien cuu mon hoc nganh thong hoc ma hoi va ((toan tai) OR (toan tap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach doi dap, nghien cuu mon hoc nganh thong hoc ma hoi va ((toan tai) OR (toan tap))*".