Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van chat » cao chat
chat cuc » chat cua, chat xuc, chi cuc
tu sach » thu sach, su sach, te sach
cuc ban » cua ban, cac ban, cuu ban
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
hanh d » hanh de, hanh _, hanh y
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: tu sach y nang x hoi. hieu van chat cuc ban ((anh d) or (hanh d)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang x hoi. hieu van chat cuc ban ((anh d) OR (hanh d)) cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang x hoi. hieu van chat cuc ban ((anh d) or (hanh d)) cua tre*.