Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
hoc nhanh » hoc nganh, hoc phan
chong hoc » chung hoc, chong doc, thong hoc
sach doi » sach hoi, sach dao, sach bai
sach moi » sach hoi, bach mai, sach bai
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
nhan tao » nhan tai, nhan dan
hoc lai » hoc dai, hoc bai, hoc lam
lai hoi » dai hoi, lai hoa, lai roi
va nhan » van nhan, ca nhan, va phan

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 doi) or (sach moi)) tap, nghien cuu dong hoc nhanh chong hoc lai hoi va nhan tao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach doi) OR (sach moi)) tap, nghien cuu dong hoc nhanh chong hoc lai hoi va nhan tao*.