Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
ban hanh » ban hang
hanh vai » hanh vi, hanh va, hanh tai
ky sang » ky nang, ky dang, ky tang
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
tao ho » tao hoi, tao cho, tao hoa
ba hoa » ma hoa, va hoa
van ca » van cau, van cua, dan ca
ca dia » cac dia, cua dia, va dia

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 sang ((tao ho) or (ba hoa)). hieu van ca dia ban hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky sang ((tao ho) OR (ba hoa)). hieu van ca dia ban hanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky sang ((tao ho) or (ba hoa)). hieu van ca dia ban hanh vai cua tre*.