Perhaps you should try some spelling variations:
mach duoc » sach duoc, bach tuoc, gach duoi
tay nguoi » toc nguoi, dao nguoi, ca nguoi
lam nguoi » dao nguoi
dich hoc » sinh hoc, hinh hoc, tinh hoc
duoc lam » duoc pham, duoc ly, duoc li
te dich » ve dich, tam dich, tap dich
hoc tay » toc tay, hoc tap, hoc may

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( te dich hoc tay nguoi ) or ( tim mach duoc lam nguoi ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( te dich hoc tay nguoi ) OR ( tim mach duoc lam nguoi )).
• Adding a wildcard symbol may retrieve word variants: (( te dich hoc tay nguoi ) or ( tim mach duoc lam nguoi ))*.