Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
cua tre » cua te, cuu tre, cua triet
vai cua » dai cua, hai cua, lai cua
hieu ve » hieu va, hieu van
dang ma » dang mau, dang mam, dang mat
ma hoi » mai hoi, xa hoi, ma hoa
ve cac » va cac, vien cac
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa

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

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