Perhaps you should try some spelling variations:
thuoc sac » thuoc sach, thuoc dac, thuoc sai
hanh vai » hanh va, hanh tai, hanh van
ve cham » va cham, ve chat, vu cham
cua tre » cua te, cuu tre, cua triet
dang ma » dang mau, dang mam, dang mat
ky dang » ky nang, ky danh
ve cac » va cac, vien cac
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
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: thuoc sac ky dang ma hoi. hieu ((ve cac) OR (ve cham)) xuc va ((hanh vai) OR (hanh vi)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sac ky dang ma hoi. hieu ((ve cac) OR (ve cham)) xuc va ((hanh vai) OR (hanh vi)) cua tre".
• Adding a wildcard symbol may retrieve word variants: thuoc sac ky dang ma hoi. hieu ((ve cac) OR (ve cham)) xuc va ((hanh vai) OR (hanh vi)) cua tre*.