Perhaps you should try some spelling variations:
dang xay » dang van
hieu van » hieu va, thien van, lieu va
van hanh » van thanh, ban hanh, van anh
hanh dai » hanh tai, hanh dao, vanh dai
van cam » van nam, van lam, van cau
xuc van » duc van, luc van, vuc van
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky ((dang xay) or (van xay)) hoi. hieu van cam xuc van hanh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((dang xay) OR (van xay)) hoi. hieu van cam xuc van hanh dai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((dang xay) or (van xay)) hoi. hieu van cam xuc van hanh dai cua tre*.