Perhaps you should try some spelling variations:
hanh vai » hanh va, hanh tai, hanh van
dang mam » dang nam, dang mau, dang mat
te sach » toc sach
cac xuc » cam xuc, cac nuoc, chat xuc
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
dang ma » dang mau, dang mat, tang ma
cuu tre » cua tre, cau tren, cau treo
ve cac » va cac, vien cac
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 sach ky ((dang ma) or (dang mam)) hoi. hieu ve cac xuc va ((hanh vai) OR (hanh vi)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((dang ma) OR (dang mam)) hoi. hieu ve cac xuc va ((hanh vai) OR (hanh vi)) cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky ((dang ma) or (dang mam)) hoi. hieu ve cac xuc va ((hanh vai) OR (hanh vi)) cuu tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky ((dang ma) or (dang mam)) hoi. hieu ve cac xuc va ((hanh vai) OR (hanh vi)) cuu tre*.