Perhaps you should try some spelling variations:
nganh dong » nganh cong, nhanh dong, nganh nong
cach thoi » cac thoi, cach thuc, cach noi
hoc nganh » hoc nhanh
thoi tap » toi tap, hoc tap, thoi dai
dong hoc » dong co, dong luc
van pham » san pham, van phan, van phat
tu cach » tu cac
hoc mai » hoc ma, hoc dai, hoc bai
mai hoi » mai khoi, dai hoi, lai hoi
va pham » va phat, va phap, va phan
mo hoc » mon hoc, co hoc

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 nganh dong hoc mai hoi ((va pham) or (van pham)) van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach thoi tap, nghien cuu mo hoc nganh dong hoc mai hoi ((va pham) OR (van pham)) van.
• Adding a wildcard symbol may retrieve word variants: tu cach thoi tap, nghien cuu mo hoc nganh dong hoc mai hoi ((va pham) or (van pham)) van*.