Perhaps you should try some spelling variations:
nganh chong » nganh cong, nhanh chong, nganh khong
nghiep vua » nghiep va, nghiep vu
hoc nganh » hoc nhanh
mach hoc » cach hoc, dich hoc, anh hoc
vua dong » va dong, cua dong, mua dong
dong hoc » dong co, dong luc
thuoc la » thuoc va, thuoc tai, thuoc ban
thuoc ma » hoc ma, duoc ma
tu mach » tu cach, tu manh, tu hach
va nhan » van nhan, ca nhan, va phan
nhan va » nhan tai, nhan dan, nhan tao

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 dong hoc nganh chong ((thuoc la) OR (thuoc ma)) hoi va nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu mach hoc tap, nghiep vua dong hoc nganh chong ((thuoc la) OR (thuoc ma)) hoi va nhan va*".