Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
hieu van » hieu va, thien van, lieu va
hanh vai » hanh vi, hanh va, hanh tai
nang xa » nang x, lang xa, nang ma
xuc van » duc van, vuc van, xuc ban
luc van » luoc van, luu van, duc van
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach y nang xa hoi. hieu van nam ((xuc van) OR (luc van)) hanh vai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach y nang xa hoi. hieu van nam ((xuc van) OR (luc van)) hanh vai cua tre".
• Adding a wildcard symbol may retrieve word variants: thu sach y nang xa hoi. hieu van nam ((xuc van) OR (luc van)) hanh vai cua tre*.