Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
doanh khoa » toan khoa
mach hoc » cach hoc, dich hoc, anh hoc
tu mach » tu cach, tu manh, tu hach
va nhan » van nhan, ca nhan, va phan
nhan va » nhan tai, nhan dan, nhan tao
mo hoc » mon hoc, co hoc
hoc xa » hoc ma

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