Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
hanh vai » hanh vi, hanh va, hanh van
hanh tai » thanh tai, hang tai, han tai
ky dang » ky nang, ky danh
dang ma » dang mau, dang mam, dang mat
nam xuc » cam xuc, nam xua, nam thuc
cua tre » cua te, cuu tre, cua triet
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky dang ma hoa. hieu van nam xuc va ((hanh vai) or (hanh tai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky dang ma hoa. hieu van nam xuc va ((hanh vai) OR (hanh tai)) cua tre.
• Adding a wildcard symbol may retrieve word variants: te sac ky dang ma hoa. hieu van nam xuc va ((hanh vai) or (hanh tai)) cua tre*.