Perhaps you should try some spelling variations:
nang tai » hang tai, tang tai, sang tai
van nang » van quang, van ban, van dong
hieu va » lieu va, hieu qua
tai cua » thai cua, tai cuc, tri cua
thu van » thuc van, thuy van, tu van
cam thu » nam thu, cac thu, ca thu
tu sach » thu sach, su sach, tu cach
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cac, va cao
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: ((tu sach) OR (te sach)) ky nang ((x hoi) or (xa hoi)). hieu va cam thu van nang tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky nang ((x hoi) OR (xa hoi)). hieu va cam thu van nang tai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (te sach)) ky nang ((x hoi) or (xa hoi)). hieu va cam thu van nang tai cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (te sach)) ky nang ((x hoi) or (xa hoi)). hieu va cam thu van nang tai cua tre*.