Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
khong hoc » thong hoc, khong thuoc, khong chuc
khung hoc » chung hoc, nhung hoc, thuong hoc
sach hoc » cach hoc, sach hoi, mach hoc
nhan dan » phan dau, gian dan, nhan tai
te sach » toc sach
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
va nhan » van nhan, ca nhan, va phan
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: te sach hoc tap, nghien cuu mon hoc nganh ((khong hoc) OR (khung hoc)) ma hoi va nhan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach hoc tap, nghien cuu mon hoc nganh ((khong hoc) OR (khung hoc)) ma hoi va nhan dan".
• Adding a wildcard symbol may retrieve word variants: te sach hoc tap, nghien cuu mon hoc nganh ((khong hoc) OR (khung hoc)) ma hoi va nhan dan*.