Perhaps you should try some spelling variations:
nganh dong » nganh cong, nhanh dong, nganh nong
dong thuoc » dung thuoc, dang thuoc, don thuoc
cach thoi » cac thoi, cach thuc, cach noi
hoc nganh » hoc nhanh
thoi tap » toi tap, hoc tap, thoi dai
thuoc ma » hoc ma, duoc ma
phan van » pham van, thanh van, luan van
tu cach » tu cac
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoi van » hoi va, hoi dan, hai van
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 mon hoc nganh dong thuoc ma hoi van ((phan van) or (nhan va))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach thoi tap, nghien cuu mon hoc nganh dong thuoc ma hoi van ((phan van) OR (nhan va)).
• Adding a wildcard symbol may retrieve word variants: tu cach thoi tap, nghien cuu mon hoc nganh dong thuoc ma hoi van ((phan van) or (nhan va))*.