Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
hanh tai » thanh tai, hang tai, han tai
cua tre » cua te, cuu tre, cua triet
ky dang » ky nang, ky danh
dang ma » dang mau, dang mam, dang mat
nam xuc » cam xuc, nam thuc, nam duoc
nam xua » nam cua, nam mua, nam qua
te sac » te sach, te cac, te 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: te sac ky dang ma hoa. hieu van ((nam xuc) or (nam xua)) va ((hanh vi) 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) OR (nam xua)) va ((hanh vi) OR (hanh tai)) cua tre.
• Adding a wildcard symbol may retrieve word variants: te sac ky dang ma hoa. hieu van ((nam xuc) or (nam xua)) va ((hanh vi) or (hanh tai)) cua tre*.