Perhaps you should try some spelling variations:
nganh duong » nganh cong, nhanh dong, anh duong
hoc nganh » hoc nhanh
duong hoc » dong hoc, dung hoc, duong hoi
va doanh » van doanh, vay doanh, va danh
so sach » so sanh, co sach, hoc sach
bo sach » co sach, hoc 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) OR (bo sach)) doi dap, nghien cuu mon hoc nganh duong hoc ma hoi va doanh tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sach) OR (bo sach)) doi dap, nghien cuu mon hoc nganh duong hoc ma hoi va doanh tai*".