Perhaps you should try some spelling variations:
thanh dong » thanh duong, thanh cong, hanh dong
hoc thanh » hoc nhanh, hoan thanh, hoc phan
sach hoc » cach hoc, sach hoi, sach duoc
mach hoc » cach hoc, dich hoc, anh hoc
dong hoc » dong co, dong luc
nhan van » nhan dan, nhan va, phan van
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc
hoc xa » hoc ma
hoi ca » hoi cua, hoi cac, hoi cau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach hoc) or (mach hoc)) tap, nghien cuu mon hoc thanh dong hoc xa hoi ca nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach hoc) OR (mach hoc)) tap, nghien cuu mon hoc thanh dong hoc xa hoi ca nhan van.
• Adding a wildcard symbol may retrieve word variants: tu ((sach hoc) or (mach hoc)) tap, nghien cuu mon hoc thanh dong hoc xa hoi ca nhan van*.