Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
cao xuc » cam xuc, cao suc, chat xuc
cao duc » dao duc, cao suc, giao duc
xa hanh » xa thanh, xa khanh, va hanh
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: tu sach ky lang xa hoi. hieu va ((cao xuc) or (cao duc)) xa hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky lang xa hoi. hieu va ((cao xuc) OR (cao duc)) xa hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky lang xa hoi. hieu va ((cao xuc) or (cao duc)) xa hanh vi cua tre*.