Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
sach hoi » sach doi, sach moi, cach thoi
cuu nang » chuc nang, cam nang, cuu van
nang hoc » nang doc, nang luc, dong hoc
van phan » van phong, van thanh, luan phan
phan van » pham van, thanh van, luan van
su sach » so sach, vu sach
hoi tap » hoi dap, hoc tap, hoi tai
hoi van » hoi va, hoi dan, hai van

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach hoi tap, nghien cuu nang hoc nganh khoa ((hoc xa) or (hoc ma)) hoi van phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach hoi tap, nghien cuu nang hoc nganh khoa ((hoc xa) OR (hoc ma)) hoi van phan van.
• Adding a wildcard symbol may retrieve word variants: su sach hoi tap, nghien cuu nang hoc nganh khoa ((hoc xa) or (hoc ma)) hoi van phan van*.