Perhaps you should try some spelling variations:
nhanh dong » hanh dong, nhanh chong, anh dong
cach thoi » cac thoi, cach thuc, cach noi
hoc nhanh » hoc nganh, hoc phan
thoi tap » toi tap, hoc tap, thoi dai
dong hoc » dong co, dong luc
van phat » va phat, van chat, van phan
tu cach » tu cac
va pham » van pham, va phat, va phap
mo hoc » mon hoc, co hoc
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 cuu mo hoc nhanh dong hoc ma hoi ((va pham) or (van phat)) van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach thoi tap, nghien cuu mo hoc nhanh dong hoc ma hoi ((va pham) OR (van phat)) van.
• Adding a wildcard symbol may retrieve word variants: tu cach thoi tap, nghien cuu mo hoc nhanh dong hoc ma hoi ((va pham) or (van phat)) van*.