Perhaps you should try some spelling variations:
trong chuoc » trong cuoc, trong chuong, trong nuoc
nghiem thuc » nghiem thuoc, nghiep thuc, nhiem thuc
chuoc thanh » cuoc thanh, thuoc thanh, hoc thanh
thanh khung » thanh hung, thanh chuong, thanh phuong
nghien thu » nghiep thuc, nghien cuu, nghe thu
khung hoc » chung hoc, nhung hoc, thuong hoc
mach hoc » cach hoc, dich hoc, anh hoc
cua nhan » ca nhan, cua ngan, cua nha
nhan dan » phan dau, gian dan, nhan tai
so mach » so sach, tao mach, kon mach
hoi cua » hoi chuc
hoc xa » hoc ma

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

• If you are trying to use Boolean operators, they must be ALL CAPS: so mach hoc tap, ((nghien thu) OR (nghiem thuc)) trong chuoc thanh khung hoc xa hoi cua nhan dan~.
• Adding a wildcard symbol may retrieve word variants: so mach hoc tap, ((nghien thu) or (nghiem thuc)) trong chuoc thanh khung hoc xa hoi cua nhan dan*.