Perhaps you should try some spelling variations:
nhanh dong » hanh dong, nhanh chong, anh dong
hoc nhanh » hoc nganh, hoc phan
mach hoc » cach hoc, dich hoc, anh hoc
cuu cong » cua cong, thu cong, cac cong
cong hoc » cong hoa, cong coc, cong ho
dong hoc » dong co, dong luc
nhan van » nhan dan, nhan va, phan van
te mach » ke mach, te sach, tim mach
hoi van » hoi va, hai van, hoi han
hoi dan » hoa dan, hoc dan, hoi dap
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: te mach hoc tap, nghien cuu cong hoc nhanh dong hoc xa ((hoi van) or (hoi dan)) nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te mach hoc tap, nghien cuu cong hoc nhanh dong hoc xa ((hoi van) OR (hoi dan)) nhan van.
• Adding a wildcard symbol may retrieve word variants: te mach hoc tap, nghien cuu cong hoc nhanh dong hoc xa ((hoi van) or (hoi dan)) nhan van*.