Perhaps you should try some spelling variations:
nang tai » hang tai, tang tai, sang tai
tu sach » thu sach, su sach, te sach
cac thu » cach thuc, cac thoi
va nang » van nang, da nang, cam nang
tai cua » thai cua, tai cuc, tri cua
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
thu va » thuc va, thue va, tu va
5 hoi » o 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 y nang ((5 hoi) OR (xa hoi)). ((lieu va) OR (hieu qua)) cac thu va nang tai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang ((5 hoi) OR (xa hoi)). ((lieu va) OR (hieu qua)) cac thu va nang tai cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach y nang ((5 hoi) OR (xa hoi)). ((lieu va) OR (hieu qua)) cac thu va nang tai cua tre*.