Perhaps you should try some spelling variations:
van chat » cao chat
chat xuc » chat huu, cam xuc, chao xu
hieu van » hieu va, thien van, lieu va
xuc ban » duc ban, cuc ban, quoc ban
sach ky » sac ky, sach y, sach ty
tu sach » thu sach, su sach, te sach
cua tre » cua te, cuu tre, cua triet
hanh d » hanh de, hanh _, hanh y
o hai » co hai, so hai, o lai
o hoa » do hoa, so hoa, o ha

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 ky nang ((o hoa) or (o hai)). hieu van chat xuc ban ((anh d) or (hanh d)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang ((o hoa) OR (o hai)). hieu van chat xuc ban ((anh d) OR (hanh d)) cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang ((o hoa) or (o hai)). hieu van chat xuc ban ((anh d) or (hanh d)) cua tre*.