Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
hieu va » hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
van hai » van ha, van chat, van hanh
hai cua » thai cua, dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
xuc va » duc va, tuc va, luc va
x hoi » xa hoi, o hoi, x ho

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 ty nang x hoi. ((hieu va) or (lieu va)) cac xuc va van hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ty nang x hoi. ((hieu va) OR (lieu va)) cac xuc va van hai cua tre*.