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