Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
cua viet » ca viet, hoa viet, cua vat
vu sach » vu bach, su sach, vu khach
van cam » van nam, van lam, van dam
van cau » van dau, van hau, van chat
xuc ban » duc ban, cuc ban, quoc ban
cuu tre » cua tre, cau tren, cau treo
y nang » ky nang, ly nang, v nang
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: vu sach y nang x hoi. hieu ((van cam) or (van cau)) xuc ban thanh san ((cuu tre) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y nang x hoi. hieu ((van cam) OR (van cau)) xuc ban thanh san ((cuu tre) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: vu sach y nang x hoi. hieu ((van cam) or (van cau)) xuc ban thanh san ((cuu tre) or (cua viet))*.