Perhaps you should try some spelling variations:
nganh dong » nganh cong, nhanh dong, nganh nong
hoc nganh » hoc nhanh
thu sach » thuat sach, thuoc sach, thu hoach
dong hoc » dong co, dong luc
phat van » pham van, phan van, phap van
tu sach » su sach, te sach, tu cach
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan 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: ((tu sach) or (thu sach)) hoc tap, nghien cuu mon hoc nganh dong hoc ma hoi va phat van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) hoc tap, nghien cuu mon hoc nganh dong hoc ma hoi va phat van.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) hoc tap, nghien cuu mon hoc nganh dong hoc ma hoi va phat van*.