Perhaps you should try some spelling variations:
nghiep cau » nghiep cay, nghiep can, nghiep chan
doanh khoa » toan khoa
hoc doanh » hoa doanh, hoc danh, hoc dan
hut sinh » huy sinh, hut binh, thuat sinh
hoi danh » hoi dan, hoc danh, hoi dang
nhan tao » nhan tai, nhan dan
cau hoa » cau hoi
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: hut sinh hoc tap, nghiep cau hoa hoc doanh khoa hoc xa ((hoi danh) or (hop danh)) nhan tao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hut sinh hoc tap, nghiep cau hoa hoc doanh khoa hoc xa ((hoi danh) OR (hop danh)) nhan tao.
• Adding a wildcard symbol may retrieve word variants: hut sinh hoc tap, nghiep cau hoa hoc doanh khoa hoc xa ((hoi danh) or (hop danh)) nhan tao*.