Perhaps you should try some spelling variations:
nganh cong » nhanh chong
mach hoc » cach hoc, dich hoc, anh hoc
nhan van » nhan dan, nhan va, phan van
tu mach » tu cach, tu manh, tu hach
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
ma hoi » mai hoi, xa hoi, ma hoa
hoi ca » hoi cua, hoi cac, hoi cau

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, nghien cuu mon hoc ((thanh cong) or (nganh cong)) hoc ma hoi ca nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu mach hoc tap, nghien cuu mon hoc ((thanh cong) OR (nganh cong)) hoc ma hoi ca nhan van.
• Adding a wildcard symbol may retrieve word variants: tu mach hoc tap, nghien cuu mon hoc ((thanh cong) or (nganh cong)) hoc ma hoi ca nhan van*.