Perhaps you should try some spelling variations:
thanh nguoi » thanh ngu, thanh nguyen
tay nguoi » toc nguoi, dao nguoi
sach duoc » sach nuoc, sach dao, sach dung
bach tuoc » sach nuoc
cach hoc » cach thuc, cach thoi, dich hoc
ve cach » va cach, ve cac, ve canh
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: (( ve cach hoc tay nguoi ) or ( tu ((sach duoc) or (bach tuoc)) thanh nguoi ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( ve cach hoc tay nguoi ) OR ( tu ((sach duoc) OR (bach tuoc)) thanh nguoi )).
• Adding a wildcard symbol may retrieve word variants: (( ve cach hoc tay nguoi ) or ( tu ((sach duoc) or (bach tuoc)) thanh nguoi ))*.