Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
khong thuoc » khang thuoc, hong phuoc, dong thuoc
cach thoi » cac thoi, cach thuc, cach noi
hoc nganh » hoc nhanh
cach hoc » cach thuc, dich hoc, cac hop
thuoc ma » hoc ma, duoc ma
nhan van » nhan dan, nhan va, phan van
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
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) OR (cach thoi)) tap, nghien cuu mon hoc nganh khong thuoc ma hoi va nhan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((cach hoc) OR (cach thoi)) tap, nghien cuu mon hoc nganh khong thuoc ma hoi va nhan van*".