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

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