Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
su sach » so sach, vu sach
thuc va » thuc vat, thuc dan, thuc day
vai cuu » vai cua
cuu tre » cua tre, cau tren, cau treo
y nang » ly nang, v nang, may nang
va cao » va cac, va co, va dao
luc va » duc va, tuc va, loc va

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: su sach ((y nang) OR (ky nang)) xa hoi. lieu va cao ((luc va) OR (thuc va)) hanh vai cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((y nang) OR (ky nang)) xa hoi. lieu va cao ((luc va) or (thuc va)) hanh vai cuu tre~".
• Adding a wildcard symbol may retrieve word variants: su sach ((y nang) OR (ky nang)) xa hoi. lieu va cao ((luc va) or (thuc va)) hanh vai cuu tre*.