Perhaps you should try some spelling variations:
tay nguoi » dao nguoi
toc nguoi » con nguoi
cach hoc » cach thuc, cach thoi, dich hoc
cach toc » cac toc, cach thuc, cach thoi
dung toc » dung hoc, dung coc, dung toi
ve cach » va cach, ve cac, ve canh
hoc tay » hoc tap, hoc may, hoc tai
toc tay » toc thai
te sach » toc sach

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

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