Perhaps you should try some spelling variations:
nganh dung » ngan dung, anh dung, nganh cong
hoc nganh » hoc nhanh
thu sach » tu sach, thuat sach, thuoc sach
sach hoc » cach hoc, sach hoi, mach hoc
dung hoc » dong hoc, dung thuoc, trung hoc
toan tai » toan tap, doanh tai, toan ban
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
nhan va » nhan tai, nhan dan, nhan tao
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach hoc tap, nghien cuu mon hoc nganh dung hoc xa hoi va ((nhan va) or (toan tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach hoc tap, nghien cuu mon hoc nganh dung hoc xa hoi va ((nhan va) OR (toan tai)).
• Adding a wildcard symbol may retrieve word variants: thu sach hoc tap, nghien cuu mon hoc nganh dung hoc xa hoi va ((nhan va) or (toan tai))*.