Perhaps you should try some spelling variations:
nhanh khong » nhanh chong, nganh khong, nhan khong
hoc nhanh » hoc nganh, hoc phan
khong hoc » khung hoc, thong hoc, khong thuoc
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
nhan tao » nhan tai, nhan dan
tu sach » thu sach, su sach, te sach
hoi tap » hoc tap, hoi tai, hai tap
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: tu sach ((hoi tap) or (hoi dap)), nghien cuu dong hoc nhanh khong hoc ma hoi va nhan tao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((hoi tap) OR (hoi dap)), nghien cuu dong hoc nhanh khong hoc ma hoi va nhan tao.
• Adding a wildcard symbol may retrieve word variants: tu sach ((hoi tap) or (hoi dap)), nghien cuu dong hoc nhanh khong hoc ma hoi va nhan tao*.