Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
cach thoi » cac thoi, cach thuc, cach noi
hoc nhanh » hoc nganh, hoc phan
chong doc » chong dich, chon loc, hong duc
sach hoi » sach doi, sach moi, hoach hoi
nhan dan » phan dau, gian dan, nhan tai
doc dai » duoc dai, hoc dai, duc dai
dai moi » doi moi, dai hoi
va nhan » van nhan, ca nhan, va phan
cuu co » huu co, cua co, cuu mo
moi va » hoi va, mai va, moi ve

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) or (cach thoi)) dap, nghien cuu co hoc nhanh chong doc dai moi va nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach hoi) OR (cach thoi)) dap, nghien cuu co hoc nhanh chong doc dai moi va nhan dan*.