Perhaps you should try some spelling variations:
nhanh thong » nhanh chong, nhanh thang, nhan thong
hoc nhanh » hoc nganh, hoc phan
thong hoc » thuong hoc, tuong hoc, thong hoa
mach hoc » cach hoc, dich hoc, anh hoc
cuu toan » cuu hoan, cua toan, huu toan
toan hoc » toan khoa, van hoc, hoa hoc
nhan dan » phan dau, gian dan, nhan tai
tu mach » tu cach, tu manh, tu hach
mai hoi » mai khoi, dai hoi, lai hoi
va nhan » van nhan, ca nhan, va phan
ma hoi » xa hoi, ma hoa, me hoi

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 toan hoc nhanh thong hoc ((ma hoi) or (mai hoi)) va nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu mach hoc tap, nghien cuu toan hoc nhanh thong hoc ((ma hoi) OR (mai hoi)) va nhan dan.
• Adding a wildcard symbol may retrieve word variants: tu mach hoc tap, nghien cuu toan hoc nhanh thong hoc ((ma hoi) or (mai hoi)) va nhan dan*.