Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
cach thoi » cac thoi, cach thuc, cach noi
hoc nganh » hoc nhanh
khong hoc » khung hoc, thong hoc, khong thuoc
mach hoc » cach hoc, dich hoc, anh hoc
cau nhan » chau nhan, ca nhan, cu nhan
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoi cau » hoi chu, hoc cau, hoa cau
nhan va » nhan tai, nhan dan, nhan tao
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 ((mach hoc) or (cach thoi)) tap, nghien cuu mon hoc nganh khong hoc ma hoi cau nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((mach hoc) OR (cach thoi)) tap, nghien cuu mon hoc nganh khong hoc ma hoi cau nhan va*.