Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, xuc ban
anh bia » anh giao
cua tre » cua te, cuu tre, cua triet
ve cac » va cac, vien cac
anh va » hanh va
x hoi » o hoi, x ho, 5 hoi

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 ky nang ((x hoi) or (xa hoi)). hieu ve cac xuc van ((anh bia) or (anh va)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang ((x hoi) OR (xa hoi)). hieu ve cac xuc van ((anh bia) OR (anh va)) cua tre.
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang ((x hoi) or (xa hoi)). hieu ve cac xuc van ((anh bia) or (anh va)) cua tre*.