Perhaps you should try some spelling variations:
hoc nhanh » hoc nganh, hoc phan
chong hoc » chung hoc, chong doc, thuong hoc
thong hoc » thuong hoc, tuong hoc, thong hoa
mach hoc » cach hoc, dich hoc, anh hoc
gian dan » gian lang
te mach » ke mach, te sach, tim mach
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
va gian » va gianh, van gian, va giai

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