Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
hieu va » hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
anh bia » anh giao
cua tre » cua te, cuu tre, cua triet
anh va » hanh va
x hoi » xa hoi, o hoi, x ho

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: tu sach ky nang x hoi. ((hieu va) OR (lieu va)) cac xuc van ((anh bia) OR (anh va)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang x hoi. ((hieu va) OR (lieu va)) cac xuc van ((anh bia) or (anh va)) cua tre~".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang x hoi. ((hieu va) OR (lieu va)) cac xuc van ((anh bia) or (anh va)) cua tre*.