Perhaps you should try some spelling variations:
nganh khong » nganh cong, nganh nong, nganh khoa
nhanh chong » thanh cong, khanh phong
nguyen cuu » nguyen huu, nguyen luu, nguyen cua
dich hoc » sinh hoc, hinh hoc, tinh hoc
thuoc ma » hoc ma, duoc ma
nhan dan » phan dau, gian dan, nhan tai
tu dich » te dich, chu dich, hut dich
hoc tai » hoc dai, hoc tap, hoc bai
cuu mot » cua mot, cuu mo, huu mot
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 dich hoc tai, nguyen cuu mot goc ((nganh khong) or (nhanh chong)) thuoc ma hoi va nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu dich hoc tai, nguyen cuu mot goc ((nganh khong) OR (nhanh chong)) thuoc ma hoi va nhan dan.
• Adding a wildcard symbol may retrieve word variants: tu dich hoc tai, nguyen cuu mot goc ((nganh khong) or (nhanh chong)) thuoc ma hoi va nhan dan*.