Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
hanh tai » thanh tai, hang tai, han tai
dang xay » dang van, van xay
hanh lai » hanh lam, thanh lap, thanh loi
sach ky » sac ky, sach y, sach ty
so sach » so sanh, bo sach, co sach
va cham » va chat, va tham
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
xuc va » duc va, tuc va, luc va

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: so sach ky ((nang x) OR (dang xay)) hoi. hieu va cham xuc va ((hanh lai) OR (hanh tai)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky ((nang x) or (dang xay)) hoi. hieu va cham xuc va ((hanh lai) OR (hanh tai)) cua tre~".
• Adding a wildcard symbol may retrieve word variants: so sach ky ((nang x) or (dang xay)) hoi. hieu va cham xuc va ((hanh lai) OR (hanh tai)) cua tre*.