Perhaps you should try some spelling variations:
so sanh » do sanh
sanh ty » sach ty, canh tay
ty nang » ky nang, ty xang, ty hang
ve pham » vi pham, v pham, ve phat
ve phan » va phan, ke phan, ve phat
va danh » va dinh, va dan, va hanh
danh di » danh du, xanh di, danh dien
di cua » dai cua, doi cua, de cua
cua te » cua tu
x hoi » o hoi, x ho, 5 hoi

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

• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh ty nang ((x hoi) OR (xa hoi)). hieu ((ve pham) OR (ve phan)) duc va danh di cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sanh ty nang ((x hoi) OR (xa hoi)). hieu ((ve pham) or (ve phan)) duc va danh di cua te~".
• Adding a wildcard symbol may retrieve word variants: so sanh ty nang ((x hoi) OR (xa hoi)). hieu ((ve pham) or (ve phan)) duc va danh di cua te*.