Perhaps you should try some spelling variations:
cham duc » cham soc, pham duy, phan duc
hanh lam » thanh lap, hanh kem, hanh va
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
xang ma » tang ma, nang ma, sang ma
hieu tu » chieu tu, hieu tuc, hien tu
va hanh » van hanh, va thanh, va danh
lam cua » nam cua, lam chat
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, ma hoa

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty xang ma hoi. hieu tu ((cham duc) OR (pham duc)) va hanh lam cua tre~".
• Adding a wildcard symbol may retrieve word variants: su sach ty xang ma hoi. hieu tu ((cham duc) OR (pham duc)) va hanh lam cua tre*.