Perhaps you should try some spelling variations:
tay nguoi » toc nguoi, dao nguoi
lam nguoi » dao nguoi
lay nguoi » ly nguoi, loai nguoi, luat nguoi
mach hoc » cach hoc, dich hoc, anh hoc
mach toc » mach tich, bach tuoc, cac toc
tu mach » tu cach, tu manh, tu hach
hoc lam » duoc lam
toc tay » toc thai
hoc lay » hoc may, hoc ly, hoc lap

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