Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
hieu tu » chieu tu, hieu tuc, hien tu
tu chao » tu cham, tu cao, tu chat
van anh » van thanh, tuan anh, van minh
cua tre » cua te, cuu tre, cua triet
xu van » tu van, vu van, su van
anh vi » hanh vi, anh va, anh ve
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 cac ky nang ((5 hoi) or (x ho)). hieu tu chao xu van anh vi ((cua tre) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang ((5 hoi) OR (x ho)). hieu tu chao xu van anh vi ((cua tre) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang ((5 hoi) or (x ho)). hieu tu chao xu van anh vi ((cua tre) or (cua viet))*.