Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
nuoc cach » cuoc cach, nuoc sach, truoc cach
cach thoi » cac thoi, cach thuc, cach noi
khong hoc » khung hoc, thong hoc, khong thuoc
thoi tap » toi tap, hoc tap, thoi dai
toan hoc » toan khoa, van hoc, hoa hoc
van nhan » van phan, van thanh, danh nhan
nhan dan » phan dau, gian dan, nhan tai
mon hoc » dong hoc
hoi van » hoi va, hoi dan, hai van
hoc xa » hoc ma

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: nuoc cach thoi tap, nghien cuu ((mon hoc) or (toan hoc)) nganh khong hoc xa hoi van nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nuoc cach thoi tap, nghien cuu ((mon hoc) OR (toan hoc)) nganh khong hoc xa hoi van nhan dan.
• Adding a wildcard symbol may retrieve word variants: nuoc cach thoi tap, nghien cuu ((mon hoc) or (toan hoc)) nganh khong hoc xa hoi van nhan dan*.