Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, pham duc
ca chua » ca cua, sua chua
va chua » vua chua, va chu, a chua
sach ky » sac ky, sach y, sach ty
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
sang ma » tang ma, nang ma, sang tao
ky sang » ky nang, ky dang, ky tang
ma hoi » mai hoi, xa hoi, ma hoa

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky sang ma hoi. hieu ve ((cham xuc) OR (cham soc)) gia thanh ((va chua) OR (ca chua)) tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky sang ma hoi. hieu ve ((cham xuc) OR (cham soc)) gia thanh ((va chua) or (ca chua)) tre~".
• Adding a wildcard symbol may retrieve word variants: tu sach ky sang ma hoi. hieu ve ((cham xuc) OR (cham soc)) gia thanh ((va chua) or (ca chua)) tre*.