Perhaps you should try some spelling variations:
nhanh thong » nhanh chong, nhanh thang, nhan thong
hoc nhanh » hoc nganh, hoc phan
thong hoc » thuong hoc, tuong hoc, thong hoa
sach doi » sach moi, sach dao, sach bai
sach hoi » sach moi, cach thoi, hoach hoi
nhan tai » hang tai, van tai, toan tai
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: so ((sach doi) OR (sach hoi)) tap, nghien cuu mon hoc nhanh thong hoc ma hoi va nhan tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so ((sach doi) OR (sach hoi)) tap, nghien cuu mon hoc nhanh thong hoc ma hoi va nhan tai*".