Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
nghiep cua » nghiep vua, nghiep luan, nghien cuu
nganh khoa » nganh hoa, doanh khoa, anh khoa
cach hoc » cach thuc, cach thoi, dich hoc
cong hoa » dong hoa, dong hoc, hang hoa
nhan dan » phan dau, gian dan, nhan tai
tu cach » tu cac
va nhan » van nhan, ca nhan, va phan
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach hoc tap, nghiep cua cong hoa ((nganh khoa) or (nganh khong)) hoc ma hoi va nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach hoc tap, nghiep cua cong hoa ((nganh khoa) OR (nganh khong)) hoc ma hoi va nhan dan.
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghiep cua cong hoa ((nganh khoa) or (nganh khong)) hoc ma hoi va nhan dan*.