Perhaps you should try some spelling variations:
nhanh chuong » nhanh chong, thanh chuong, thanh huong
nghien cua » nghien cuu, nghiep cua, nghiep vua
chuong hoc » chung hoc, thuong hoc, truong hoc
cach thoi » cac thoi, cach thuc, cach noi
hoc nhanh » hoc nganh, hoc phan
thoi tap » toi tap, hoc tap, thoi dai
cong hoc » dong hoc, cong hoa, cong coc
nhan tai » hang tai, van tai, toan tai
nhan tao » nhan dan
tu cach » tu cac
hoi dan » hoa dan, hoc dan, hoi dap
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 cach thoi tap, nghien cua cong hoc nhanh chuong hoc ma hoi dan ((nhan tai) or (nhan tao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach thoi tap, nghien cua cong hoc nhanh chuong hoc ma hoi dan ((nhan tai) OR (nhan tao)).
• Adding a wildcard symbol may retrieve word variants: tu cach thoi tap, nghien cua cong hoc nhanh chuong hoc ma hoi dan ((nhan tai) or (nhan tao))*.