Perhaps you should try some spelling variations:
khong thuoc » khang thuoc, hong phuoc, dong thuoc
hoc nganh » hoc nhanh
khung hoc » chung hoc, nhung hoc, thuong hoc
mach hoc » cach hoc, dich hoc, anh hoc
nhan van » nhan dan, nhan va, phan van
tu mach » tu cach, tu manh, tu hach
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
va nhan » van nhan, ca nhan, va phan

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 mon hoc nganh ((khong thuoc) or (khung hoc)) xa hoi va nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu mach hoc tap, nghien cuu mon hoc nganh ((khong thuoc) OR (khung hoc)) xa hoi va nhan van.
• Adding a wildcard symbol may retrieve word variants: tu mach hoc tap, nghien cuu mon hoc nganh ((khong thuoc) or (khung hoc)) xa hoi va nhan van*.