Perhaps you should try some spelling variations:
nhanh cong » nhanh chong, thanh cong, nganh cong
cong thuoc » cong thuc, dong thuoc, long thuoc
cach thoi » cac thoi, cach thuc, cach noi
hoc nhanh » hoc nganh, hoc phan
thoi tap » toi tap, hoc tap, thoi dai
thuoc la » thuoc ma, thuoc va, thuoc tai
tu cach » tu cac
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
va nhan » van nhan, ca nhan, va phan
la hoi » lai hoi, xa hoi, le hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach thoi tap, nghien cuu mon hoc nhanh cong thuoc la hoi ((va nhan) or (va phat)) dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach thoi tap, nghien cuu mon hoc nhanh cong thuoc la hoi ((va nhan) OR (va phat)) dan.
• Adding a wildcard symbol may retrieve word variants: tu cach thoi tap, nghien cuu mon hoc nhanh cong thuoc la hoi ((va nhan) or (va phat)) dan*.