Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
cham xuc » cam xuc, chat xuc, cham soc
thanh vi » hanh vi, thanh va, thanh ve
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, nang cao
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
va cham » va chat, va tham
xuc van » duc van, luc van, vuc van
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ky ((nang ma) or (lang xa)) hoi. hieu va cham xuc van thanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky ((nang ma) OR (lang xa)) hoi. hieu va cham xuc van thanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: so sach ky ((nang ma) or (lang xa)) hoi. hieu va cham xuc van thanh vi cua tre*.