Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
nghiep vua » nghiep va, nghiep vu
nganh khoa » nganh hoa, doanh khoa, anh khoa
mach hoc » cach hoc, dich hoc, anh hoc
vua hang » cua hang, va hang, mua hang
hang hoa » hang khoa, thanh hoa, hang va
nhan dan » phan dau, gian dan, nhan tai
tu mach » tu cach, tu manh, tu hach
va nhan » van nhan, ca nhan, va phan
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: tu mach hoc tap, nghiep vua hang hoa ((nganh khoa) or (nganh khong)) hoc xa hoi va nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu mach hoc tap, nghiep vua hang hoa ((nganh khoa) OR (nganh khong)) hoc xa hoi va nhan dan.
• Adding a wildcard symbol may retrieve word variants: tu mach hoc tap, nghiep vua hang hoa ((nganh khoa) or (nganh khong)) hoc xa hoi va nhan dan*.