Perhaps you should try some spelling variations:
nhanh dong » hanh dong, nhanh chong, anh dong
nhan khong » nhan thong, nhanh chong, nganh khong
mach hoc » cach hoc, dich hoc, anh hoc
phan van » pham van, thanh van, luan van
su mach » su sach
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
va phan » van phan, va phat, va phap
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: su mach hoc tap, nghien cuu mon hoc ((nhanh dong) or (nhan khong)) hoc xa hoi va phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su mach hoc tap, nghien cuu mon hoc ((nhanh dong) OR (nhan khong)) hoc xa hoi va phan van.
• Adding a wildcard symbol may retrieve word variants: su mach hoc tap, nghien cuu mon hoc ((nhanh dong) or (nhan khong)) hoc xa hoi va phan van*.