Perhaps you should try some spelling variations:
dang giao » nang giao, dung giao, dong giao
giao phoi » gian hoi, gia khoi, giao khoa
van hanh » van thanh, ban hanh, van anh
hanh dan » thanh dan, hanh san, canh dan
sach ky » sac ky, sach y, sach kem
sach ty » sach y, sach tu, sach thu
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
dan cua » dan ca, ban cua, dai cua
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ky) or (sach ty)) dang giao phoi. hieu va cac xuc van hanh dan cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach ty)) dang giao phoi. hieu va cac xuc van hanh dan cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach ty)) dang giao phoi. hieu va cac xuc van hanh dan cua tre*.