Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
hoc nganh » hoc nhanh
khong hoc » khung hoc, thong hoc, khong thuoc
chu dinh » vu dinh, chu manh, co dinh
dinh hoc » sinh hoc, hinh hoc, tinh hoc
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
va nhan » van nhan, ca nhan, va nha
va phan » van phan, va phat, va phap
ma hoi » mai hoi, xa hoi, ma hoa

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "chu dinh hoc tap, nghien cuu mon hoc nganh khong hoc ma hoi ((va nhan) OR (va phan)) van~".
• Adding a wildcard symbol may retrieve word variants: chu dinh hoc tap, nghien cuu mon hoc nganh khong hoc ma hoi ((va nhan) OR (va phan)) van*.