Perhaps you should try some spelling variations:
ban hanh » ban hang
cham xuc » cam xuc, chat xuc, cham soc
van hanh » van thanh, van anh, van ban
sach ky » sac ky, sach ty, sach kem
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
lam cua » nam cua, lam chat
cua tre » cua te, cuu tre, cua triet

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: te ((sach ky) OR (sach y)) nang x ho. hieu ve cham xuc ((ban hanh) OR (van hanh)) lam cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach ky) OR (sach y)) nang x ho. hieu ve cham xuc ((ban hanh) or (van hanh)) lam cua tre~".
• Adding a wildcard symbol may retrieve word variants: te ((sach ky) OR (sach y)) nang x ho. hieu ve cham xuc ((ban hanh) or (van hanh)) lam cua tre*.