Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
cach thoi » cac thoi, cach thuc, cach noi
hoc nganh » hoc nhanh
khong hoc » khung hoc, thong hoc, khong thuoc
thoi tap » toi tap, hoc tap, thoi dai
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
te cach » ve cach, te sach, tu cach
va phan » van phan, va phap, hoa phan
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: te cach thoi tap, nghien cuu cong hoc nganh khong hoc ma hoi ((va phan) or (va phat)) va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cach thoi tap, nghien cuu cong hoc nganh khong hoc ma hoi ((va phan) OR (va phat)) va.
• Adding a wildcard symbol may retrieve word variants: te cach thoi tap, nghien cuu cong hoc nganh khong hoc ma hoi ((va phan) or (va phat)) va*.