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
hang tai » hang va, dung tai
so sach » so sanh, bo sach, co sach
doi dap » hoi dap, do dap, doi dam
doi dau » doan dau
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
va hang » van hang, va nang, va lang
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) OR (doi dau)), nghien cuu mon hoc nganh thong hoc ma hoi va hang tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ((doi dap) OR (doi dau)), nghien cuu mon hoc nganh thong hoc ma hoi va hang tai*".