Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
nganh khoa » nganh hoa, doanh khoa, anh khoa
sach hoi » sach doi, sach moi, cach thoi
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
van phan » van phong, van thanh, luan phan
phan van » pham van, thanh van, luan van
te sach » toc sach
hoi tap » hoi dap, hoc tap, hoi tai
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: te sach hoi tap, nghien cuu dong hoc ((nganh khoa) or (nganh khong)) hoc xa hoi van phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach hoi tap, nghien cuu dong hoc ((nganh khoa) OR (nganh khong)) hoc xa hoi van phan van.
• Adding a wildcard symbol may retrieve word variants: te sach hoi tap, nghien cuu dong hoc ((nganh khoa) or (nganh khong)) hoc xa hoi van phan van*.