Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
khong thuoc » khang thuoc, hong phuoc, dong thuoc
luat nganh » luat ngan, thuat nganh, luat doanh
cong luat » cong suat, cong luan, cuong luan
cuu cong » cua cong, thu cong, cac cong
thuoc ma » hoc ma, duoc ma
nhan tao » nhan tai, nhan dan
tu sach » thu sach, su sach, te sach
so sach » so sanh, bo sach, co sach
hoi tap » hoi dap, hoc tap, hoi tai
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 sach) or (so sach)) hoi tap, nghien cuu cong luat nganh khong thuoc ma hoi va nhan tao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (so sach)) hoi tap, nghien cuu cong luat nganh khong thuoc ma hoi va nhan tao.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (so sach)) hoi tap, nghien cuu cong luat nganh khong thuoc ma hoi va nhan tao*.