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

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 ( te mach duoc pham nguoi ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( te dich hoc tay nguoi ) OR ( te mach duoc pham nguoi )).
• Adding a wildcard symbol may retrieve word variants: (( te dich hoc tay nguoi ) or ( te mach duoc pham nguoi ))*.